diff --git a/packages/autorest.python/package.json b/packages/autorest.python/package.json
index e3bccb2aa86..11133e70713 100644
--- a/packages/autorest.python/package.json
+++ b/packages/autorest.python/package.json
@@ -29,7 +29,7 @@
   },
   "homepage": "https://github.com/Azure/autorest.python/blob/main/README.md",
   "dependencies": {
-    "@typespec/http-client-python": "0.13.0-dev.3",
+    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTA0Mjc4My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.13.0.tgz",
     "@autorest/system-requirements": "~1.0.2",
     "fs-extra": "~11.2.0",
     "tsx": "~4.19.1"
@@ -47,4 +47,4 @@
     "requirements.txt",
     "generator/"
   ]
-}
+}
\ No newline at end of file
diff --git a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_client.py b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_client.py
index e54b610ede2..8188976d794 100644
--- a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_client.py
+++ b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import PollingPagingExampleConfiguration
-from ._operations import PollingPagingExampleOperationsMixin
+from ._operations._operations import _PollingPagingExampleOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class PollingPagingExample(PollingPagingExampleOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PollingPagingExample(_PollingPagingExampleOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Show polling and paging generation.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_operations/__init__.py b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_operations/__init__.py
index 482a3ae0b8d..780c0001fb4 100644
--- a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_operations/__init__.py
+++ b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import PollingPagingExampleOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "PollingPagingExampleOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_operations/_operations.py b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_operations/_operations.py
index 85d38d68e65..c98666b4a7b 100644
--- a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_operations/_operations.py
+++ b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/_operations/_operations.py
@@ -72,7 +72,7 @@ def build_polling_paging_example_basic_paging_request(**kwargs: Any) -> HttpRequ
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class PollingPagingExampleOperationsMixin(
+class _PollingPagingExampleOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], PollingPagingExampleConfiguration]
 ):
 
diff --git a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_client.py b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_client.py
index 629ef93de31..f223df4a2b5 100644
--- a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_client.py
+++ b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import PollingPagingExampleConfiguration
-from ._operations import PollingPagingExampleOperationsMixin
+from ._operations._operations import _PollingPagingExampleOperationsMixin
 
 
-class PollingPagingExample(PollingPagingExampleOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PollingPagingExample(_PollingPagingExampleOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Show polling and paging generation.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_operations/__init__.py b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_operations/__init__.py
index 482a3ae0b8d..780c0001fb4 100644
--- a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_operations/__init__.py
+++ b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import PollingPagingExampleOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "PollingPagingExampleOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_operations/_operations.py b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_operations/_operations.py
index d1e5417eda8..7df348790cc 100644
--- a/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_operations/_operations.py
+++ b/packages/autorest.python/samples/specification/directives/generated/azure/directives/sample/aio/_operations/_operations.py
@@ -43,7 +43,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class PollingPagingExampleOperationsMixin(
+class _PollingPagingExampleOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], PollingPagingExampleConfiguration]
 ):
 
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/_multiapi_service_client.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/_multiapi_service_client.py
index 30d1c238948..57b29e12363 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/_multiapi_service_client.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/_multiapi_service_client.py
@@ -21,7 +21,7 @@
 from azure.profiles.multiapiclient import MultiApiClientMixin
 
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 from ._serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/aio/_multiapi_service_client.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/aio/_multiapi_service_client.py
index 4a310c442e8..85b0959863f 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/aio/_multiapi_service_client.py
@@ -22,7 +22,7 @@
 
 from .._serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_metadata.json b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_metadata.json
index b2fee048af0..0a3018326cb 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_metadata.json
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": true,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_multiapi_service_client.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_multiapi_service_client.py
index 4f4f2bb2cd6..def12da31ed 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_multiapi_service_client.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/_multiapi_service_client.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/_multiapi_service_client.py
index 328bdfadc8e..bbd80223483 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/operations/__init__.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/operations/__init__.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/operations/_multiapi_service_client_operations.py
index e84e9fb235b..ae2d8ca2c99 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/aio/operations/_multiapi_service_client_operations.py
@@ -46,7 +46,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/operations/__init__.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/operations/__init__.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/operations/_multiapi_service_client_operations.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/operations/_multiapi_service_client_operations.py
index 404ae4f31ca..f3108f895e9 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v1/operations/_multiapi_service_client_operations.py
@@ -123,7 +123,7 @@ def build_test_different_calls_request(*, greeting_in_english: str, **kwargs: An
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/_metadata.json b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/_metadata.json
index 019c52ba1f0..14bcfb40399 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/_metadata.json
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/_multiapi_service_client.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/_multiapi_service_client.py
index 991fb0f6964..8ed3da72ab8 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/_multiapi_service_client.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/_multiapi_service_client.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/_multiapi_service_client.py
index d90355010b5..305d4317d27 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/operations/__init__.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/operations/__init__.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/operations/_multiapi_service_client_operations.py
index 8c3c1e278dd..e456ed390fa 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/aio/operations/_multiapi_service_client_operations.py
@@ -33,7 +33,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/operations/__init__.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/operations/__init__.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/operations/_multiapi_service_client_operations.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/operations/_multiapi_service_client_operations.py
index 23ca9a258f5..12d462b3c94 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v2/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_metadata.json b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_metadata.json
index 0001fedd743..ed60fac101f 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_metadata.json
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_multiapi_service_client.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_multiapi_service_client.py
index 16b83fbe3d3..fbb2f917b96 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_multiapi_service_client.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/_multiapi_service_client.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/_multiapi_service_client.py
index cad974bc4fd..cf5efaf7f43 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/__init__.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/__init__.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/_multiapi_service_client_operations.py
index 95b3d4cf3a9..2eb0c70d184 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/_multiapi_service_client_operations.py
@@ -39,7 +39,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/__init__.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/__init__.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/_multiapi_service_client_operations.py b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/_multiapi_service_client_operations.py
index af4a9288fa5..f9041907d49 100644
--- a/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/_auto_rest_report_service_for_azure.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/_auto_rest_report_service_for_azure.py
index ec9a3f10751..84c80108ded 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/_auto_rest_report_service_for_azure.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/_auto_rest_report_service_for_azure.py
@@ -17,11 +17,11 @@
 from . import models as _models
 from ._configuration import AutoRestReportServiceForAzureConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AutoRestReportServiceForAzureOperationsMixin
+from .operations._auto_rest_report_service_for_azure_operations import _AutoRestReportServiceForAzureOperationsMixin
 
 
 class AutoRestReportServiceForAzure(
-    AutoRestReportServiceForAzureOperationsMixin
+    _AutoRestReportServiceForAzureOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/_auto_rest_report_service_for_azure.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/_auto_rest_report_service_for_azure.py
index 30a746b7a18..cfa94d65634 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/_auto_rest_report_service_for_azure.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/_auto_rest_report_service_for_azure.py
@@ -17,11 +17,11 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutoRestReportServiceForAzureConfiguration
-from .operations import AutoRestReportServiceForAzureOperationsMixin
+from .operations._auto_rest_report_service_for_azure_operations import _AutoRestReportServiceForAzureOperationsMixin
 
 
 class AutoRestReportServiceForAzure(
-    AutoRestReportServiceForAzureOperationsMixin
+    _AutoRestReportServiceForAzureOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/operations/__init__.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/operations/__init__.py
index bf248047b79..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/operations/__init__.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._auto_rest_report_service_for_azure_operations import AutoRestReportServiceForAzureOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestReportServiceForAzureOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/operations/_auto_rest_report_service_for_azure_operations.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/operations/_auto_rest_report_service_for_azure_operations.py
index f753e6eb751..2463c4c1887 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/operations/_auto_rest_report_service_for_azure_operations.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/aio/operations/_auto_rest_report_service_for_azure_operations.py
@@ -31,7 +31,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutoRestReportServiceForAzureOperationsMixin(  # pylint: disable=name-too-long
+class _AutoRestReportServiceForAzureOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutoRestReportServiceForAzureConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/operations/__init__.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/operations/__init__.py
index bf248047b79..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/operations/__init__.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._auto_rest_report_service_for_azure_operations import AutoRestReportServiceForAzureOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestReportServiceForAzureOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/operations/_auto_rest_report_service_for_azure_operations.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/operations/_auto_rest_report_service_for_azure_operations.py
index b94a4c53ade..63ece79bf65 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/operations/_auto_rest_report_service_for_azure_operations.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/AzureReport/azurereport/operations/_auto_rest_report_service_for_azure_operations.py
@@ -53,7 +53,7 @@ def build_get_report_request(*, qualifier: Optional[str] = None, **kwargs: Any)
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class AutoRestReportServiceForAzureOperationsMixin(  # pylint: disable=name-too-long
+class _AutoRestReportServiceForAzureOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutoRestReportServiceForAzureConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/_lro_with_paramaterized_endpoints.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/_lro_with_paramaterized_endpoints.py
index f2585f5b1c0..6511910a6d9 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/_lro_with_paramaterized_endpoints.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/_lro_with_paramaterized_endpoints.py
@@ -17,11 +17,11 @@
 from . import models as _models
 from ._configuration import LROWithParamaterizedEndpointsConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import LROWithParamaterizedEndpointsOperationsMixin
+from .operations._lro_with_paramaterized_endpoints_operations import _LROWithParamaterizedEndpointsOperationsMixin
 
 
 class LROWithParamaterizedEndpoints(
-    LROWithParamaterizedEndpointsOperationsMixin
+    _LROWithParamaterizedEndpointsOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/_lro_with_paramaterized_endpoints.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/_lro_with_paramaterized_endpoints.py
index e080274a996..0f250d42467 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/_lro_with_paramaterized_endpoints.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/_lro_with_paramaterized_endpoints.py
@@ -17,11 +17,11 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import LROWithParamaterizedEndpointsConfiguration
-from .operations import LROWithParamaterizedEndpointsOperationsMixin
+from .operations._lro_with_paramaterized_endpoints_operations import _LROWithParamaterizedEndpointsOperationsMixin
 
 
 class LROWithParamaterizedEndpoints(
-    LROWithParamaterizedEndpointsOperationsMixin
+    _LROWithParamaterizedEndpointsOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/operations/__init__.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/operations/__init__.py
index 26d668ff3dd..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/operations/__init__.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._lro_with_paramaterized_endpoints_operations import LROWithParamaterizedEndpointsOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "LROWithParamaterizedEndpointsOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/operations/_lro_with_paramaterized_endpoints_operations.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/operations/_lro_with_paramaterized_endpoints_operations.py
index 0102c704033..2090105ce0d 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/operations/_lro_with_paramaterized_endpoints_operations.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/aio/operations/_lro_with_paramaterized_endpoints_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class LROWithParamaterizedEndpointsOperationsMixin(  # pylint: disable=name-too-long
+class _LROWithParamaterizedEndpointsOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], LROWithParamaterizedEndpointsConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/operations/__init__.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/operations/__init__.py
index 26d668ff3dd..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/operations/__init__.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._lro_with_paramaterized_endpoints_operations import LROWithParamaterizedEndpointsOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "LROWithParamaterizedEndpointsOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/operations/_lro_with_paramaterized_endpoints_operations.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/operations/_lro_with_paramaterized_endpoints_operations.py
index 34e956100ef..1333431aeb5 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/operations/_lro_with_paramaterized_endpoints_operations.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/LroWithParameterizedEndpoints/lrowithparameterizedendpoints/operations/_lro_with_paramaterized_endpoints_operations.py
@@ -74,7 +74,7 @@ def build_poll_with_constant_parameterized_endpoints_request(  # pylint: disable
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class LROWithParamaterizedEndpointsOperationsMixin(  # pylint: disable=name-too-long
+class _LROWithParamaterizedEndpointsOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], LROWithParamaterizedEndpointsConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_autorest_security_aad.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_autorest_security_aad.py
index 6bbf03e8dcb..f32364af31e 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_autorest_security_aad.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_autorest_security_aad.py
@@ -19,13 +19,13 @@
 
 from ._configuration import AutorestSecurityAadConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AutorestSecurityAadOperationsMixin
+from .operations._autorest_security_aad_operations import _AutorestSecurityAadOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class AutorestSecurityAad(AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityAad(_AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Aad REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/_autorest_security_aad.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/_autorest_security_aad.py
index 1480b5fd523..ebd8cbeb707 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/_autorest_security_aad.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/_autorest_security_aad.py
@@ -19,13 +19,13 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutorestSecurityAadConfiguration
-from .operations import AutorestSecurityAadOperationsMixin
+from .operations._autorest_security_aad_operations import _AutorestSecurityAadOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class AutorestSecurityAad(AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityAad(_AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Aad REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/__init__.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/__init__.py
index 3b1135e8b6e..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/__init__.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._autorest_security_aad_operations import AutorestSecurityAadOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityAadOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/_autorest_security_aad_operations.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/_autorest_security_aad_operations.py
index 3f297261c07..857a2ff41f1 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/_autorest_security_aad_operations.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/_autorest_security_aad_operations.py
@@ -31,7 +31,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutorestSecurityAadOperationsMixin(
+class _AutorestSecurityAadOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutorestSecurityAadConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/__init__.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/__init__.py
index 3b1135e8b6e..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/__init__.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._autorest_security_aad_operations import AutorestSecurityAadOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityAadOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/_autorest_security_aad_operations.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/_autorest_security_aad_operations.py
index 9c0b14f28c4..8e995997217 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/_autorest_security_aad_operations.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/_autorest_security_aad_operations.py
@@ -40,7 +40,7 @@ def build_head_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class AutorestSecurityAadOperationsMixin(
+class _AutorestSecurityAadOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutorestSecurityAadConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_autorest_security_key.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_autorest_security_key.py
index 3f853862643..94e78488258 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_autorest_security_key.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_autorest_security_key.py
@@ -19,13 +19,13 @@
 
 from ._configuration import AutorestSecurityKeyConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AutorestSecurityKeyOperationsMixin
+from .operations._autorest_security_key_operations import _AutorestSecurityKeyOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class AutorestSecurityKey(AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityKey(_AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Key REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/_autorest_security_key.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/_autorest_security_key.py
index ae3fcdf346e..12c53dea6a7 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/_autorest_security_key.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/_autorest_security_key.py
@@ -19,13 +19,13 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutorestSecurityKeyConfiguration
-from .operations import AutorestSecurityKeyOperationsMixin
+from .operations._autorest_security_key_operations import _AutorestSecurityKeyOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class AutorestSecurityKey(AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityKey(_AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Key REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/__init__.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/__init__.py
index 84cf99169f8..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/__init__.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._autorest_security_key_operations import AutorestSecurityKeyOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityKeyOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/_autorest_security_key_operations.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/_autorest_security_key_operations.py
index 078edb4cfdb..df3e05efa0d 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/_autorest_security_key_operations.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/_autorest_security_key_operations.py
@@ -31,7 +31,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutorestSecurityKeyOperationsMixin(
+class _AutorestSecurityKeyOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutorestSecurityKeyConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/__init__.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/__init__.py
index 84cf99169f8..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/__init__.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._autorest_security_key_operations import AutorestSecurityKeyOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityKeyOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/_autorest_security_key_operations.py b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/_autorest_security_key_operations.py
index a26e0874564..8ba21eb546c 100644
--- a/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/_autorest_security_key_operations.py
+++ b/packages/autorest.python/test/azure/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/_autorest_security_key_operations.py
@@ -40,7 +40,7 @@ def build_head_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class AutorestSecurityKeyOperationsMixin(
+class _AutorestSecurityKeyOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutorestSecurityKeyConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_client.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_client.py
index 31b6fb51de0..96968ba3dd3 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_client.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import AutoRestReportServiceForAzureConfiguration
-from ._operations import AutoRestReportServiceForAzureOperationsMixin
+from ._operations._operations import _AutoRestReportServiceForAzureOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class AutoRestReportServiceForAzure(
-    AutoRestReportServiceForAzureOperationsMixin
+    _AutoRestReportServiceForAzureOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_operations/__init__.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_operations/__init__.py
index 2ac42bf1a8c..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutoRestReportServiceForAzureOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestReportServiceForAzureOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_operations/_operations.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_operations/_operations.py
index da686e8ca6d..60167b699a7 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/_operations/_operations.py
@@ -54,7 +54,7 @@ def build_auto_rest_report_service_for_azure_get_report_request(  # pylint: disa
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class AutoRestReportServiceForAzureOperationsMixin(  # pylint: disable=name-too-long
+class _AutoRestReportServiceForAzureOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutoRestReportServiceForAzureConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_client.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_client.py
index 3d720467521..0600d5dd227 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutoRestReportServiceForAzureConfiguration
-from ._operations import AutoRestReportServiceForAzureOperationsMixin
+from ._operations._operations import _AutoRestReportServiceForAzureOperationsMixin
 
 
 class AutoRestReportServiceForAzure(
-    AutoRestReportServiceForAzureOperationsMixin
+    _AutoRestReportServiceForAzureOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_operations/__init__.py
index 2ac42bf1a8c..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutoRestReportServiceForAzureOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestReportServiceForAzureOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_operations/_operations.py
index df3d0d42f1c..37bd1621ada 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/AzureReportVersionTolerant/azurereportversiontolerant/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutoRestReportServiceForAzureOperationsMixin(  # pylint: disable=name-too-long
+class _AutoRestReportServiceForAzureOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutoRestReportServiceForAzureConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_client.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_client.py
index ce8ff8d355c..5fba4956e9e 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_client.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import LROWithParamaterizedEndpointsConfiguration
-from ._operations import LROWithParamaterizedEndpointsOperationsMixin
+from ._operations._operations import _LROWithParamaterizedEndpointsOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class LROWithParamaterizedEndpoints(
-    LROWithParamaterizedEndpointsOperationsMixin
+    _LROWithParamaterizedEndpointsOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_operations/__init__.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_operations/__init__.py
index 6176c74a38a..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import LROWithParamaterizedEndpointsOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "LROWithParamaterizedEndpointsOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_operations/_operations.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_operations/_operations.py
index 5ec2be9c5cb..73515da4e57 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/_operations/_operations.py
@@ -76,7 +76,7 @@ def build_lro_with_paramaterized_endpoints_poll_with_constant_parameterized_endp
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class LROWithParamaterizedEndpointsOperationsMixin(  # pylint: disable=name-too-long
+class _LROWithParamaterizedEndpointsOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], LROWithParamaterizedEndpointsConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_client.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_client.py
index 7fede7659b7..0ab2f7d4103 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import LROWithParamaterizedEndpointsConfiguration
-from ._operations import LROWithParamaterizedEndpointsOperationsMixin
+from ._operations._operations import _LROWithParamaterizedEndpointsOperationsMixin
 
 
 class LROWithParamaterizedEndpoints(
-    LROWithParamaterizedEndpointsOperationsMixin
+    _LROWithParamaterizedEndpointsOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_operations/__init__.py
index 6176c74a38a..780c0001fb4 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import LROWithParamaterizedEndpointsOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "LROWithParamaterizedEndpointsOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_operations/_operations.py
index e23fb2650b6..a00e3f0525a 100644
--- a/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/azure/version-tolerant/Expected/AcceptanceTests/LroWithParameterizedEndpointsVersionTolerant/lrowithparameterizedendpointsversiontolerant/aio/_operations/_operations.py
@@ -37,7 +37,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class LROWithParamaterizedEndpointsOperationsMixin(  # pylint: disable=name-too-long
+class _LROWithParamaterizedEndpointsOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], LROWithParamaterizedEndpointsConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_client.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_client.py
index b45d5b1d027..541e1823bc7 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_client.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import DPGClientConfiguration
-from ._operations import DPGClientOperationsMixin
+from ._operations._operations import _DPGClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class DPGClient(DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class DPGClient(_DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """DPG Swagger that tests our ability to grow up.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/__init__.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/__init__.py
index 83dd944e33d..780c0001fb4 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DPGClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DPGClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/_operations.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/_operations.py
index 842b8a8dc1a..d59a7905618 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/_operations.py
@@ -119,7 +119,7 @@ def build_dpg_lro_request(mode: str, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class DPGClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], DPGClientConfiguration]):
+class _DPGClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], DPGClientConfiguration]):
 
     @distributed_trace
     def get_model(self, mode: str, **kwargs: Any) -> JSON:
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_client.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_client.py
index b8831f49f07..0060b04940e 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import DPGClientConfiguration
-from ._operations import DPGClientOperationsMixin
+from ._operations._operations import _DPGClientOperationsMixin
 
 
-class DPGClient(DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class DPGClient(_DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """DPG Swagger that tests our ability to grow up.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/__init__.py
index 83dd944e33d..780c0001fb4 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DPGClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DPGClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/_operations.py
index c6b49283039..b37ee5c8a8e 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/_operations.py
@@ -44,7 +44,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class DPGClientOperationsMixin(
+class _DPGClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], DPGClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_client.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_client.py
index b45d5b1d027..541e1823bc7 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_client.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import DPGClientConfiguration
-from ._operations import DPGClientOperationsMixin
+from ._operations._operations import _DPGClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class DPGClient(DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class DPGClient(_DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """DPG Swagger that tests our ability to grow up.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/__init__.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/__init__.py
index 83dd944e33d..780c0001fb4 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DPGClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DPGClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/_operations.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/_operations.py
index 842b8a8dc1a..d59a7905618 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/_operations.py
@@ -119,7 +119,7 @@ def build_dpg_lro_request(mode: str, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class DPGClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], DPGClientConfiguration]):
+class _DPGClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], DPGClientConfiguration]):
 
     @distributed_trace
     def get_model(self, mode: str, **kwargs: Any) -> JSON:
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_client.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_client.py
index b8831f49f07..0060b04940e 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import DPGClientConfiguration
-from ._operations import DPGClientOperationsMixin
+from ._operations._operations import _DPGClientOperationsMixin
 
 
-class DPGClient(DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class DPGClient(_DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """DPG Swagger that tests our ability to grow up.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/__init__.py
index 83dd944e33d..780c0001fb4 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DPGClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DPGClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/_operations.py
index c6b49283039..b37ee5c8a8e 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/_operations.py
@@ -44,7 +44,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class DPGClientOperationsMixin(
+class _DPGClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], DPGClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_client.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_client.py
index c0fe42cd547..b738389dbc7 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_client.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_client.py
@@ -16,11 +16,11 @@
 
 from . import models as _models
 from ._configuration import DPGClientConfiguration
-from ._operations import DPGClientOperationsMixin
+from ._operations._operations import _DPGClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class DPGClient(DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class DPGClient(_DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """DPG Swagger that tests our ability to grow up.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_operations/__init__.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_operations/__init__.py
index 83dd944e33d..780c0001fb4 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DPGClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DPGClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_operations/_operations.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_operations/_operations.py
index 72ddb33dc7b..d72a21bab19 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/_operations/_operations.py
@@ -119,7 +119,7 @@ def build_dpg_lro_request(mode: str, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class DPGClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], DPGClientConfiguration]):
+class _DPGClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], DPGClientConfiguration]):
 
     @distributed_trace
     def get_model(self, mode: str, **kwargs: Any) -> _models.Product:
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_client.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_client.py
index c8ff1f304a9..0e229b84c01 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_client.py
@@ -17,10 +17,10 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import DPGClientConfiguration
-from ._operations import DPGClientOperationsMixin
+from ._operations._operations import _DPGClientOperationsMixin
 
 
-class DPGClient(DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class DPGClient(_DPGClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """DPG Swagger that tests our ability to grow up.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_operations/__init__.py
index 83dd944e33d..780c0001fb4 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DPGClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DPGClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_operations/_operations.py
index 511667fbd8c..41e5ffb5350 100644
--- a/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/aio/_operations/_operations.py
@@ -44,7 +44,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class DPGClientOperationsMixin(
+class _DPGClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], DPGClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/_multiapi_service_client.py
index 5240ed54ee0..d9f88573e78 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/_multiapi_service_client.py
@@ -21,7 +21,7 @@
 from azure.profiles.multiapiclient import MultiApiClientMixin
 
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 from ._serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/aio/_multiapi_service_client.py
index 365891d215c..8ccfe9e784b 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/aio/_multiapi_service_client.py
@@ -22,7 +22,7 @@
 
 from .._serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_metadata.json
index bd053662a6a..001d7d29159 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": true,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_multiapi_service_client.py
index a6f6f24b0ed..d91661676cf 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/_multiapi_service_client.py
index 754adfa89d6..93a721c08f2 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/operations/_multiapi_service_client_operations.py
index f62d1ee5f99..8d920397335 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/aio/operations/_multiapi_service_client_operations.py
@@ -46,7 +46,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/operations/_multiapi_service_client_operations.py
index 46ae34565ab..8a1a47d3ae0 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v1/operations/_multiapi_service_client_operations.py
@@ -123,7 +123,7 @@ def build_test_different_calls_request(*, greeting_in_english: str, **kwargs: An
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/_metadata.json
index 86633384cfd..11997e7c856 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/_multiapi_service_client.py
index 142934cc6b3..8d60b675e1a 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/_multiapi_service_client.py
index e78417b586a..1e21110b4d6 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/operations/_multiapi_service_client_operations.py
index 8ad132c6d9e..047f28141e7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/aio/operations/_multiapi_service_client_operations.py
@@ -33,7 +33,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/operations/_multiapi_service_client_operations.py
index f74c2f36fd9..22b00191cf8 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v2/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_metadata.json
index 3e337fda1f5..add8af414c9 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_multiapi_service_client.py
index 74c9d7919cb..50298c1a654 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/_multiapi_service_client.py
index 4fadb700d4e..613e159defb 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/_multiapi_service_client_operations.py
index 2220a85bc50..04b3c439c05 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/_multiapi_service_client_operations.py
@@ -39,7 +39,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/_multiapi_service_client_operations.py
index 333abf6b245..959282038c7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/_multiapi_service_client.py
index b9defc6b9d1..fb70c29dad5 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/_multiapi_service_client.py
@@ -20,7 +20,7 @@
 from azure.profiles.multiapiclient import MultiApiClientMixin
 
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 from ._serialization import Deserializer, Serializer
 
 class _SDKClient(object):
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/aio/_multiapi_service_client.py
index be89cf52aa4..03a43569924 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/aio/_multiapi_service_client.py
@@ -21,7 +21,7 @@
 
 from .._serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 
 class _SDKClient(object):
     def __init__(self, *args, **kwargs):
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_metadata.json
index 748f227659f..b29219d9822 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": true,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_multiapi_service_client.py
index 24fa3d3ee6f..f6ac460797f 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/_multiapi_service_client.py
@@ -19,10 +19,11 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/_multiapi_service_client.py
index 1ba42d45534..11ff48fa30e 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/_multiapi_service_client.py
@@ -19,10 +19,11 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/operations/_multiapi_service_client_operations.py
index 6038b3223f9..fd3d6810ea6 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/aio/operations/_multiapi_service_client_operations.py
@@ -46,7 +46,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/operations/_multiapi_service_client_operations.py
index 0e903fbf358..63a97aba657 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v1/operations/_multiapi_service_client_operations.py
@@ -123,7 +123,7 @@ def build_test_different_calls_request(*, greeting_in_english: str, **kwargs: An
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/_metadata.json
index 2f11efbbfa0..56f84ae2942 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/_multiapi_service_client.py
index 20ff4546cde..48ecdc799aa 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/_multiapi_service_client.py
@@ -19,10 +19,11 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/_multiapi_service_client.py
index 0035ffcbe99..85be9e9ec46 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/_multiapi_service_client.py
@@ -19,10 +19,11 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/operations/_multiapi_service_client_operations.py
index 14c9a02a560..73e9cec69cd 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/aio/operations/_multiapi_service_client_operations.py
@@ -33,7 +33,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/operations/_multiapi_service_client_operations.py
index f1c9b356679..49f2b66da8f 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v2/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_metadata.json
index 7781fd3fa37..933bf3a55e1 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}, \"sdkcore\": {\"azure.core.credentials\": [\"AzureKeyCredential\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_multiapi_service_client.py
index 86571e3a8ae..7ac9eecbd0d 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/_multiapi_service_client.py
@@ -19,10 +19,11 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/_multiapi_service_client.py
index dc3dd6aa5b6..905d808c8f0 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/_multiapi_service_client.py
@@ -19,10 +19,11 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/_multiapi_service_client_operations.py
index bd6949a090d..8701f00b01b 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/_multiapi_service_client_operations.py
@@ -39,7 +39,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/_multiapi_service_client_operations.py
index fd547820ca5..dba51789950 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/_multiapi_custom_base_url_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/_multiapi_custom_base_url_service_client.py
index d519aa1a6a3..3dc50fb7a6d 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/_multiapi_custom_base_url_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/_multiapi_custom_base_url_service_client.py
@@ -18,7 +18,7 @@
 from azure.profiles.multiapiclient import MultiApiClientMixin
 
 from ._configuration import MultiapiCustomBaseUrlServiceClientConfiguration
-from ._operations_mixin import MultiapiCustomBaseUrlServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiCustomBaseUrlServiceClientOperationsMixin
 from ._serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/aio/_multiapi_custom_base_url_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/aio/_multiapi_custom_base_url_service_client.py
index a1c6a473a44..54fe6842a1e 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/aio/_multiapi_custom_base_url_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/aio/_multiapi_custom_base_url_service_client.py
@@ -19,7 +19,7 @@
 
 from .._serialization import Deserializer, Serializer
 from ._configuration import MultiapiCustomBaseUrlServiceClientConfiguration
-from ._operations_mixin import MultiapiCustomBaseUrlServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiCustomBaseUrlServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/_metadata.json
index 2475f3d9fcf..3c659b8540f 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": false,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiCustomBaseUrlServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiCustomBaseUrlServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiCustomBaseUrlServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiCustomBaseUrlServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiCustomBaseUrlServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiCustomBaseUrlServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiCustomBaseUrlServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiCustomBaseUrlServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/_multiapi_custom_base_url_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/_multiapi_custom_base_url_service_client.py
index 8970a6b34a3..0a2513ca10f 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/_multiapi_custom_base_url_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/_multiapi_custom_base_url_service_client.py
@@ -17,13 +17,15 @@
 from . import models as _models
 from ._configuration import MultiapiCustomBaseUrlServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiCustomBaseUrlServiceClientOperationsMixin
+from .operations._multiapi_custom_base_url_service_client_operations import (
+    _MultiapiCustomBaseUrlServiceClientOperationsMixin,
+)
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiCustomBaseUrlServiceClient(MultiapiCustomBaseUrlServiceClientOperationsMixin):
+class MultiapiCustomBaseUrlServiceClient(_MultiapiCustomBaseUrlServiceClientOperationsMixin):
     """Service client for multiapi custom base url testing.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/_multiapi_custom_base_url_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/_multiapi_custom_base_url_service_client.py
index 4a6b13782d6..272296530aa 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/_multiapi_custom_base_url_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/_multiapi_custom_base_url_service_client.py
@@ -17,13 +17,15 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiCustomBaseUrlServiceClientConfiguration
-from .operations import MultiapiCustomBaseUrlServiceClientOperationsMixin
+from .operations._multiapi_custom_base_url_service_client_operations import (
+    _MultiapiCustomBaseUrlServiceClientOperationsMixin,
+)
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiCustomBaseUrlServiceClient(MultiapiCustomBaseUrlServiceClientOperationsMixin):
+class MultiapiCustomBaseUrlServiceClient(_MultiapiCustomBaseUrlServiceClientOperationsMixin):
     """Service client for multiapi custom base url testing.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/operations/__init__.py
index fcfeaddc7e6..780c0001fb4 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_custom_base_url_service_client_operations import MultiapiCustomBaseUrlServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultiapiCustomBaseUrlServiceClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/operations/_multiapi_custom_base_url_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/operations/_multiapi_custom_base_url_service_client_operations.py
index 3927324a634..bf304cb52d8 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/operations/_multiapi_custom_base_url_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/aio/operations/_multiapi_custom_base_url_service_client_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiCustomBaseUrlServiceClientOperationsMixin(  # pylint: disable=name-too-long
+class _MultiapiCustomBaseUrlServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiCustomBaseUrlServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/operations/__init__.py
index fcfeaddc7e6..780c0001fb4 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_custom_base_url_service_client_operations import MultiapiCustomBaseUrlServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultiapiCustomBaseUrlServiceClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/operations/_multiapi_custom_base_url_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/operations/_multiapi_custom_base_url_service_client_operations.py
index ef33dcc2922..3dc866466bb 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/operations/_multiapi_custom_base_url_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v1/operations/_multiapi_custom_base_url_service_client_operations.py
@@ -54,7 +54,7 @@ def build_test_request(*, id: int, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiCustomBaseUrlServiceClientOperationsMixin(  # pylint: disable=name-too-long
+class _MultiapiCustomBaseUrlServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiCustomBaseUrlServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/_metadata.json
index e506cdc6fa6..c1ada166aec 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": false,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiCustomBaseUrlServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiCustomBaseUrlServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiCustomBaseUrlServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiCustomBaseUrlServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiCustomBaseUrlServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiCustomBaseUrlServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiCustomBaseUrlServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiCustomBaseUrlServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/_multiapi_custom_base_url_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/_multiapi_custom_base_url_service_client.py
index 1cb53590dac..9babdfa43d1 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/_multiapi_custom_base_url_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/_multiapi_custom_base_url_service_client.py
@@ -17,13 +17,15 @@
 from . import models as _models
 from ._configuration import MultiapiCustomBaseUrlServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiCustomBaseUrlServiceClientOperationsMixin
+from .operations._multiapi_custom_base_url_service_client_operations import (
+    _MultiapiCustomBaseUrlServiceClientOperationsMixin,
+)
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiCustomBaseUrlServiceClient(MultiapiCustomBaseUrlServiceClientOperationsMixin):
+class MultiapiCustomBaseUrlServiceClient(_MultiapiCustomBaseUrlServiceClientOperationsMixin):
     """Service client for multiapi custom base url testing.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/_multiapi_custom_base_url_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/_multiapi_custom_base_url_service_client.py
index ba7da225ed5..1e7b4714902 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/_multiapi_custom_base_url_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/_multiapi_custom_base_url_service_client.py
@@ -17,13 +17,15 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiCustomBaseUrlServiceClientConfiguration
-from .operations import MultiapiCustomBaseUrlServiceClientOperationsMixin
+from .operations._multiapi_custom_base_url_service_client_operations import (
+    _MultiapiCustomBaseUrlServiceClientOperationsMixin,
+)
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiCustomBaseUrlServiceClient(MultiapiCustomBaseUrlServiceClientOperationsMixin):
+class MultiapiCustomBaseUrlServiceClient(_MultiapiCustomBaseUrlServiceClientOperationsMixin):
     """Service client for multiapi custom base url testing.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/operations/__init__.py
index fcfeaddc7e6..780c0001fb4 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_custom_base_url_service_client_operations import MultiapiCustomBaseUrlServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultiapiCustomBaseUrlServiceClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/operations/_multiapi_custom_base_url_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/operations/_multiapi_custom_base_url_service_client_operations.py
index f9d8101f893..ca9dfd76c00 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/operations/_multiapi_custom_base_url_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/aio/operations/_multiapi_custom_base_url_service_client_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiCustomBaseUrlServiceClientOperationsMixin(  # pylint: disable=name-too-long
+class _MultiapiCustomBaseUrlServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiCustomBaseUrlServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/operations/__init__.py
index fcfeaddc7e6..780c0001fb4 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_custom_base_url_service_client_operations import MultiapiCustomBaseUrlServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultiapiCustomBaseUrlServiceClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/operations/_multiapi_custom_base_url_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/operations/_multiapi_custom_base_url_service_client_operations.py
index 25cfe1ae31b..250ad82ae09 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/operations/_multiapi_custom_base_url_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiCustomBaseUrl/multiapicustombaseurl/v2/operations/_multiapi_custom_base_url_service_client_operations.py
@@ -54,7 +54,7 @@ def build_test_request(*, id: int, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiCustomBaseUrlServiceClientOperationsMixin(  # pylint: disable=name-too-long
+class _MultiapiCustomBaseUrlServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiCustomBaseUrlServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/_multiapi_service_client.py
index e12d2069db1..83dad49817c 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/_multiapi_service_client.py
@@ -18,7 +18,7 @@
 from azure.profiles.multiapiclient import MultiApiClientMixin
 
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 from ._serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/aio/_multiapi_service_client.py
index c8ec3590978..8537409f818 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/aio/_multiapi_service_client.py
@@ -19,7 +19,7 @@
 
 from .._serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_metadata.json
index 6a0bc5e3608..e35152c3eef 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": false,
         "has_public_lro_operations": true,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_multiapi_service_client.py
index 1b29166016c..f3c0e504ebd 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/_multiapi_service_client.py
index 15f862472f8..57e481a724b 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/operations/_multiapi_service_client_operations.py
index 78dabac6679..dd5132ffaca 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/aio/operations/_multiapi_service_client_operations.py
@@ -45,7 +45,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/operations/_multiapi_service_client_operations.py
index 515829ea494..74ac8e99442 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v1/operations/_multiapi_service_client_operations.py
@@ -122,7 +122,7 @@ def build_test_different_calls_request(*, greeting_in_english: str, **kwargs: An
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/_metadata.json
index 48dcf807779..608b8eada29 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": false,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/_multiapi_service_client.py
index 9fcf15f7aa4..5639daa61a7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/_multiapi_service_client.py
index 116cc3944db..c7bf39111cf 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/operations/_multiapi_service_client_operations.py
index eca173718d7..34462ae936e 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/aio/operations/_multiapi_service_client_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/operations/_multiapi_service_client_operations.py
index 28051f16b8e..bbdf8da367e 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v2/operations/_multiapi_service_client_operations.py
@@ -80,7 +80,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_metadata.json
index 8a27700161a..91dd8a8c9e8 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": false,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_multiapi_service_client.py
index 1bb4be8e1eb..195b92e18b2 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/_multiapi_service_client.py
index 023f005a955..e1ada61fec2 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/_multiapi_service_client_operations.py
index 8ba241fd8e7..db5880ae67e 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/_multiapi_service_client_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/_multiapi_service_client_operations.py
index e8e8fd73de9..62bc20a0601 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/_multiapi_service_client_operations.py
@@ -80,7 +80,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/_multiapi_service_client.py
index 84164bb2598..b564c3cd423 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/_multiapi_service_client.py
@@ -18,7 +18,7 @@
 from azure.profiles.multiapiclient import MultiApiClientMixin
 
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 from ._serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/aio/_multiapi_service_client.py
index 7d181c0167b..c763d025bd7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/aio/_multiapi_service_client.py
@@ -19,7 +19,7 @@
 
 from .._serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_metadata.json
index 4c012650518..e543fbd9369 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": false,
         "has_public_lro_operations": true,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_multiapi_service_client.py
index 0835474f3b7..a59aa2f0bfc 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/_multiapi_service_client.py
index 8fcadb39990..1fa7abc95f5 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/operations/_multiapi_service_client_operations.py
index eb6b1c91320..260a2c198c2 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/aio/operations/_multiapi_service_client_operations.py
@@ -45,7 +45,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/operations/_multiapi_service_client_operations.py
index a95d32a500a..f2c7883fe13 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v1/operations/_multiapi_service_client_operations.py
@@ -122,7 +122,7 @@ def build_test_different_calls_request(*, greeting_in_english: str, **kwargs: An
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/_metadata.json
index f52cd4b17e2..8aa3b6e8dbb 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": false,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/_multiapi_service_client.py
index 06870d5fb01..22342939494 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/_multiapi_service_client.py
index f95c900ea0f..3827018fa29 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/operations/_multiapi_service_client_operations.py
index a2b0e9e3aa1..1b6438021a6 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/aio/operations/_multiapi_service_client_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/operations/_multiapi_service_client_operations.py
index 21a2a075683..3c65c8688cd 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v2/operations/_multiapi_service_client_operations.py
@@ -80,7 +80,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_metadata.json
index b0ddcbfe2c8..597fbc8f012 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": false,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_multiapi_service_client.py
index fa506d30455..c96f2a4dc23 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/_multiapi_service_client.py
index 830e21d4773..a9bbad3c8f4 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/operations/_multiapi_service_client_operations.py
index ec9d6d028fe..48043fcd4f8 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/aio/operations/_multiapi_service_client_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/operations/_multiapi_service_client_operations.py
index 573b9f4feba..754f9c44c0f 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiKeywordOnly/multiapikeywordonly/v3/operations/_multiapi_service_client_operations.py
@@ -80,7 +80,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/_multiapi_service_client.py
index 57929fcd5ab..342140864e2 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/_multiapi_service_client.py
@@ -21,7 +21,7 @@
 from azure.profiles.multiapiclient import MultiApiClientMixin
 
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 from ._serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_metadata.json
index d43dfce10f5..c023a7f49d2 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": true,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_multiapi_service_client.py
index 91ed3a89637..6d453dcf383 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/operations/_multiapi_service_client_operations.py
index fbd91630cb9..b1345a5f5da 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v1/operations/_multiapi_service_client_operations.py
@@ -123,7 +123,7 @@ def build_test_different_calls_request(*, greeting_in_english: str, **kwargs: An
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/_metadata.json
index 73e2eef080e..12e11f425ce 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/_multiapi_service_client.py
index 3078039d868..f74ae39784b 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/operations/_multiapi_service_client_operations.py
index eb9667d4ee9..ea93b59c60f 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v2/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_metadata.json
index f62459b08c8..1680c31ac38 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_multiapi_service_client.py
index 34a5798130e..2f7eb60e64a 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/_multiapi_service_client_operations.py
index c51d68a4019..5fa56a12b18 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/_multiapi_service_client.py
index d3dc33f622a..c718e01cafa 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/_multiapi_service_client.py
@@ -18,7 +18,7 @@
 from azure.profiles.multiapiclient import MultiApiClientMixin
 
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 from ._serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/aio/_multiapi_service_client.py
index 681cdbfb1ea..ea5a7f47c4c 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/aio/_multiapi_service_client.py
@@ -19,7 +19,7 @@
 
 from .._serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_metadata.json
index 5fc290cc782..4d909fb1e59 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": false,
         "has_public_lro_operations": true,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"PipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.core\": [\"AsyncPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}, \"stdlib\": {\"typing_extensions\": [\"Self\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_multiapi_service_client.py
index 30660c8d715..ac8a74e1c0d 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/_multiapi_service_client.py
index be90cd0ad28..caee6230aff 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/_multiapi_service_client.py
@@ -17,13 +17,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/operations/_multiapi_service_client_operations.py
index 6355ac0bade..e90c5ab73ca 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/aio/operations/_multiapi_service_client_operations.py
@@ -45,7 +45,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/operations/_multiapi_service_client_operations.py
index 741e752ad66..9d4171b5817 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiSecurity/multiapisecurity/v1/operations/_multiapi_service_client_operations.py
@@ -122,7 +122,7 @@ def build_test_different_calls_request(*, greeting_in_english: str, **kwargs: An
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/_multiapi_service_client.py
index c5dc63d1028..a4e26495971 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/_multiapi_service_client.py
@@ -21,7 +21,7 @@
 from azure.profiles.multiapiclient import MultiApiClientMixin
 
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 from ._serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/aio/_multiapi_service_client.py
index 4dce1ff5a09..b40a3199c30 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/aio/_multiapi_service_client.py
@@ -22,7 +22,7 @@
 
 from .._serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from ._operations_mixin import MultiapiServiceClientOperationsMixin
+from ._operations_mixin import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_metadata.json
index b9ab3f9d181..3aecb8c3fa4 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": true,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_multiapi_service_client.py
index c474e81ef92..2893a6a12c0 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/_multiapi_service_client.py
index c44779221e8..a66f83cbcd2 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations
+from .operations import OperationGroupOneOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/operations/_multiapi_service_client_operations.py
index ed2abb12dca..594c5aff6a2 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/aio/operations/_multiapi_service_client_operations.py
@@ -46,7 +46,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/operations/__init__.py
index dc6be7ed447..f8443c0f5fe 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -20,7 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/operations/_multiapi_service_client_operations.py
index 460e97d1d07..54cc8c3d140 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v1/operations/_multiapi_service_client_operations.py
@@ -123,7 +123,7 @@ def build_test_different_calls_request(*, greeting_in_english: str, **kwargs: An
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/_metadata.json
index ba01605e325..f8a6263c8b0 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/_multiapi_service_client.py
index 5ca1e81e782..ad6164a4b9b 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/_multiapi_service_client.py
index 15b2874aded..fdbbb439242 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/operations/_multiapi_service_client_operations.py
index 8a517325f3d..0a03314d3fa 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/aio/operations/_multiapi_service_client_operations.py
@@ -33,7 +33,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/operations/_multiapi_service_client_operations.py
index 8b55c98da92..11e08111b46 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v2/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_metadata.json b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_metadata.json
index aa48bd7cb92..1d3719e5109 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_metadata.json
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_metadata.json
@@ -10,8 +10,8 @@
         "azure_arm": true,
         "has_public_lro_operations": false,
         "client-side-validation": false,
-        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
-        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
+        "sync_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"ARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"ARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \"._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials\": [\"TokenCredential\"]}}}",
+        "async_imports": "{\"conditional\": {\"stdlib\": {\"typing\": [\"Any\", \"Optional\"]}}, \"regular\": {\"sdkcore\": {\"azure.mgmt.core\": [\"AsyncARMPipelineClient\"], \"azure.core.pipeline\": [\"policies\"], \"azure.mgmt.core.policies\": [\"AsyncARMAutoResourceProviderRegistrationPolicy\"], \"azure.core.settings\": [\"settings\"], \"azure.mgmt.core.tools\": [\"get_arm_endpoints\"], \"azure.profiles\": [\"KnownProfiles\", \"ProfileDefinition\"], \"azure.profiles.multiapiclient\": [\"MultiApiClientMixin\"]}, \"stdlib\": {\"typing\": [\"Optional\", \"cast\"], \"typing_extensions\": [\"Self\"]}, \"local\": {\"._configuration\": [\"MultiapiServiceClientConfiguration\"], \".._utils.serialization\": [\"Deserializer\", \"Serializer\"], \"._operations_mixin\": [\"_MultiapiServiceClientOperationsMixin\"]}}, \"typing\": {\"sdkcore\": {\"azure.core.credentials_async\": [\"AsyncTokenCredential\"]}}}"
     },
     "global_parameters": {
         "sync": {
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_multiapi_service_client.py
index 15db91e2af4..7c85e1fb6b2 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from . import models as _models
 from ._configuration import MultiapiServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/_multiapi_service_client.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/_multiapi_service_client.py
index 83d202c5635..f1e129369ef 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/_multiapi_service_client.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/_multiapi_service_client.py
@@ -20,13 +20,14 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultiapiServiceClientConfiguration
-from .operations import MultiapiServiceClientOperationsMixin, OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations import OperationGroupOneOperations, OperationGroupTwoOperations
+from .operations._multiapi_service_client_operations import _MultiapiServiceClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class MultiapiServiceClient(MultiapiServiceClientOperationsMixin):
+class MultiapiServiceClient(_MultiapiServiceClientOperationsMixin):
     """Service client for multiapi client testing.
 
     :ivar operation_group_one: OperationGroupOneOperations operations
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/_multiapi_service_client_operations.py
index 4ba0d61e8bb..2ea3cb3fd14 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/_multiapi_service_client_operations.py
@@ -39,7 +39,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/__init__.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/__init__.py
index 63452e61cf6..af834f76cc7 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/__init__.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/__init__.py
@@ -12,7 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiapi_service_client_operations import MultiapiServiceClientOperationsMixin  # type: ignore
 from ._operation_group_one_operations import OperationGroupOneOperations  # type: ignore
 from ._operation_group_two_operations import OperationGroupTwoOperations  # type: ignore
 
@@ -21,7 +20,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "MultiapiServiceClientOperationsMixin",
     "OperationGroupOneOperations",
     "OperationGroupTwoOperations",
 ]
diff --git a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/_multiapi_service_client_operations.py b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/_multiapi_service_client_operations.py
index f1947c0c778..258ef106d8f 100644
--- a/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/_multiapi_service_client_operations.py
+++ b/packages/autorest.python/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/_multiapi_service_client_operations.py
@@ -81,7 +81,7 @@ def build_test_different_calls_request(
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MultiapiServiceClientOperationsMixin(
+class _MultiapiServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultiapiServiceClientConfiguration]
 ):
     def _api_version(self, op_name: str) -> str:  # pylint: disable=unused-argument
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/_anything_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/_anything_client.py
index f1360522921..006f2c9358f 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/_anything_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/_anything_client.py
@@ -16,10 +16,10 @@
 
 from ._configuration import AnythingClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AnythingClientOperationsMixin
+from .operations._anything_client_operations import _AnythingClientOperationsMixin
 
 
-class AnythingClient(AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AnythingClient(_AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic anything types. Those schemas without types can be anything:
     primitive, object, array.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/_anything_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/_anything_client.py
index 9784837beb0..743b0ee9ff0 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/_anything_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/_anything_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AnythingClientConfiguration
-from .operations import AnythingClientOperationsMixin
+from .operations._anything_client_operations import _AnythingClientOperationsMixin
 
 
-class AnythingClient(AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AnythingClient(_AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic anything types. Those schemas without types can be anything:
     primitive, object, array.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/operations/__init__.py
index 6d7790bec5c..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._anything_client_operations import AnythingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AnythingClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/operations/_anything_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/operations/_anything_client_operations.py
index 873d65fe5da..bef40570451 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/operations/_anything_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/aio/operations/_anything_client_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AnythingClientOperationsMixin(
+class _AnythingClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AnythingClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/operations/__init__.py
index 6d7790bec5c..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._anything_client_operations import AnythingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AnythingClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/operations/_anything_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/operations/_anything_client_operations.py
index 49d90a00ef9..6bc7e474e30 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/operations/_anything_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Anything/anything/operations/_anything_client_operations.py
@@ -117,7 +117,7 @@ def build_put_array_request(*, json: Any, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, json=json, **kwargs)
 
 
-class AnythingClientOperationsMixin(
+class _AnythingClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AnythingClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/_client_with_enum.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/_client_with_enum.py
index 56a8101e5cf..a8f0fddc53b 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/_client_with_enum.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/_client_with_enum.py
@@ -17,10 +17,10 @@
 from . import models as _models
 from ._configuration import ClientWithEnumConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import ClientWithEnumOperationsMixin
+from .operations._client_with_enum_operations import _ClientWithEnumOperationsMixin
 
 
-class ClientWithEnum(ClientWithEnumOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientWithEnum(_ClientWithEnumOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test client with enum variable.
 
     :param x_ms_enum: Enum client parameter. "single" Required.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/_client_with_enum.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/_client_with_enum.py
index 9b3e6e0b7ba..01c9daf522a 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/_client_with_enum.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/_client_with_enum.py
@@ -17,10 +17,10 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ClientWithEnumConfiguration
-from .operations import ClientWithEnumOperationsMixin
+from .operations._client_with_enum_operations import _ClientWithEnumOperationsMixin
 
 
-class ClientWithEnum(ClientWithEnumOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientWithEnum(_ClientWithEnumOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test client with enum variable.
 
     :param x_ms_enum: Enum client parameter. "single" Required.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/operations/__init__.py
index f61615287a4..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._client_with_enum_operations import ClientWithEnumOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientWithEnumOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/operations/_client_with_enum_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/operations/_client_with_enum_operations.py
index 400903d4b06..6cd69ae75bf 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/operations/_client_with_enum_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/aio/operations/_client_with_enum_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ClientWithEnumOperationsMixin(
+class _ClientWithEnumOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ClientWithEnumConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/operations/__init__.py
index f61615287a4..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._client_with_enum_operations import ClientWithEnumOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientWithEnumOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/operations/_client_with_enum_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/operations/_client_with_enum_operations.py
index 6daa5c4d1b4..c93aeeae9a3 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/operations/_client_with_enum_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ClientEnum/clientenum/operations/_client_with_enum_operations.py
@@ -46,7 +46,7 @@ def build_head_request(*, x_ms_enum: Union[str, _models.Enum0], **kwargs: Any) -
     return HttpRequest(method="HEAD", url=_url, headers=_headers, **kwargs)
 
 
-class ClientWithEnumOperationsMixin(
+class _ClientWithEnumOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ClientWithEnumConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/_error_with_secrets.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/_error_with_secrets.py
index 03f3a4762bc..81335e3b6cb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/_error_with_secrets.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/_error_with_secrets.py
@@ -17,10 +17,10 @@
 from . import models as _models
 from ._configuration import ErrorWithSecretsConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import ErrorWithSecretsOperationsMixin
+from .operations._error_with_secrets_operations import _ErrorWithSecretsOperationsMixin
 
 
-class ErrorWithSecrets(ErrorWithSecretsOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ErrorWithSecrets(_ErrorWithSecretsOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Tests whether loggers/tracers redact secrets and PII within error responses.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/_error_with_secrets.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/_error_with_secrets.py
index 0570c352fc2..0824de4725f 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/_error_with_secrets.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/_error_with_secrets.py
@@ -17,10 +17,10 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ErrorWithSecretsConfiguration
-from .operations import ErrorWithSecretsOperationsMixin
+from .operations._error_with_secrets_operations import _ErrorWithSecretsOperationsMixin
 
 
-class ErrorWithSecrets(ErrorWithSecretsOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ErrorWithSecrets(_ErrorWithSecretsOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Tests whether loggers/tracers redact secrets and PII within error responses.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/operations/__init__.py
index 4af7eb82479..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._error_with_secrets_operations import ErrorWithSecretsOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ErrorWithSecretsOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/operations/_error_with_secrets_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/operations/_error_with_secrets_operations.py
index dcd7d5b6870..88524c76a41 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/operations/_error_with_secrets_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/aio/operations/_error_with_secrets_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ErrorWithSecretsOperationsMixin(
+class _ErrorWithSecretsOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ErrorWithSecretsConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/operations/__init__.py
index 4af7eb82479..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._error_with_secrets_operations import ErrorWithSecretsOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ErrorWithSecretsOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/operations/_error_with_secrets_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/operations/_error_with_secrets_operations.py
index 66d9782c0cb..552ab2bee18 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/operations/_error_with_secrets_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/operations/_error_with_secrets_operations.py
@@ -62,7 +62,7 @@ def build_get_error_with_secrets_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class ErrorWithSecretsOperationsMixin(
+class _ErrorWithSecretsOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ErrorWithSecretsConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/_incorrect_returned_error_model.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/_incorrect_returned_error_model.py
index b0ac1c48787..5ed5ae28f51 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/_incorrect_returned_error_model.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/_incorrect_returned_error_model.py
@@ -17,11 +17,11 @@
 from . import models as _models
 from ._configuration import IncorrectReturnedErrorModelConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import IncorrectReturnedErrorModelOperationsMixin
+from .operations._incorrect_returned_error_model_operations import _IncorrectReturnedErrorModelOperationsMixin
 
 
 class IncorrectReturnedErrorModel(
-    IncorrectReturnedErrorModelOperationsMixin
+    _IncorrectReturnedErrorModelOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test to see when throwing an HttpResponseError whether we swallow error model deserialization
     errors.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/_incorrect_returned_error_model.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/_incorrect_returned_error_model.py
index 9a0ac4ef591..65493f690dc 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/_incorrect_returned_error_model.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/_incorrect_returned_error_model.py
@@ -17,11 +17,11 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import IncorrectReturnedErrorModelConfiguration
-from .operations import IncorrectReturnedErrorModelOperationsMixin
+from .operations._incorrect_returned_error_model_operations import _IncorrectReturnedErrorModelOperationsMixin
 
 
 class IncorrectReturnedErrorModel(
-    IncorrectReturnedErrorModelOperationsMixin
+    _IncorrectReturnedErrorModelOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test to see when throwing an HttpResponseError whether we swallow error model deserialization
     errors.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/operations/__init__.py
index 3f98d30df32..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._incorrect_returned_error_model_operations import IncorrectReturnedErrorModelOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "IncorrectReturnedErrorModelOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/operations/_incorrect_returned_error_model_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/operations/_incorrect_returned_error_model_operations.py
index ab2235c8728..b1b4b892ee2 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/operations/_incorrect_returned_error_model_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/aio/operations/_incorrect_returned_error_model_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class IncorrectReturnedErrorModelOperationsMixin(  # pylint: disable=name-too-long
+class _IncorrectReturnedErrorModelOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], IncorrectReturnedErrorModelConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/operations/__init__.py
index 3f98d30df32..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._incorrect_returned_error_model_operations import IncorrectReturnedErrorModelOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "IncorrectReturnedErrorModelOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/operations/_incorrect_returned_error_model_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/operations/_incorrect_returned_error_model_operations.py
index 3f2eadccd21..38efe13bcb3 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/operations/_incorrect_returned_error_model_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/IncorrectErrorResponse/incorrecterrorresponse/operations/_incorrect_returned_error_model_operations.py
@@ -39,7 +39,7 @@ def build_get_incorrect_error_from_server_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class IncorrectReturnedErrorModelOperationsMixin(  # pylint: disable=name-too-long
+class _IncorrectReturnedErrorModelOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], IncorrectReturnedErrorModelConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/_media_types_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/_media_types_client.py
index e788c653022..6e77efb92f9 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/_media_types_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/_media_types_client.py
@@ -17,10 +17,10 @@
 from . import models as _models
 from ._configuration import MediaTypesClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MediaTypesClientOperationsMixin
+from .operations._media_types_client_operations import _MediaTypesClientOperationsMixin
 
 
-class MediaTypesClient(MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MediaTypesClient(_MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Play with produces/consumes and media-types in general.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/_media_types_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/_media_types_client.py
index ba7bbcea103..b4f0e33926f 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/_media_types_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/_media_types_client.py
@@ -17,10 +17,10 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MediaTypesClientConfiguration
-from .operations import MediaTypesClientOperationsMixin
+from .operations._media_types_client_operations import _MediaTypesClientOperationsMixin
 
 
-class MediaTypesClient(MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MediaTypesClient(_MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Play with produces/consumes and media-types in general.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/operations/__init__.py
index 0f3942d58b8..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._media_types_client_operations import MediaTypesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MediaTypesClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/operations/_media_types_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/operations/_media_types_client_operations.py
index 0d801188a0f..49ba3228c04 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/operations/_media_types_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/aio/operations/_media_types_client_operations.py
@@ -41,7 +41,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MediaTypesClientOperationsMixin(
+class _MediaTypesClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MediaTypesClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/operations/__init__.py
index 0f3942d58b8..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._media_types_client_operations import MediaTypesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MediaTypesClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/operations/_media_types_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/operations/_media_types_client_operations.py
index 3b6f982c980..ed5ec5f5268 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/operations/_media_types_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/InternalOperation/internaloperation/operations/_media_types_client_operations.py
@@ -155,7 +155,7 @@ def build_put_text_and_json_body_request(*, content: str, **kwargs: Any) -> Http
     return HttpRequest(method="POST", url=_url, headers=_headers, content=content, **kwargs)
 
 
-class MediaTypesClientOperationsMixin(
+class _MediaTypesClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MediaTypesClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/_media_types_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/_media_types_client.py
index e788c653022..6e77efb92f9 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/_media_types_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/_media_types_client.py
@@ -17,10 +17,10 @@
 from . import models as _models
 from ._configuration import MediaTypesClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MediaTypesClientOperationsMixin
+from .operations._media_types_client_operations import _MediaTypesClientOperationsMixin
 
 
-class MediaTypesClient(MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MediaTypesClient(_MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Play with produces/consumes and media-types in general.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/_media_types_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/_media_types_client.py
index ba7bbcea103..b4f0e33926f 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/_media_types_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/_media_types_client.py
@@ -17,10 +17,10 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MediaTypesClientConfiguration
-from .operations import MediaTypesClientOperationsMixin
+from .operations._media_types_client_operations import _MediaTypesClientOperationsMixin
 
 
-class MediaTypesClient(MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MediaTypesClient(_MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Play with produces/consumes and media-types in general.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/__init__.py
index 0f3942d58b8..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._media_types_client_operations import MediaTypesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MediaTypesClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/_media_types_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/_media_types_client_operations.py
index 40f06c4f9b6..bf346c2f8a6 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/_media_types_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/_media_types_client_operations.py
@@ -41,7 +41,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MediaTypesClientOperationsMixin(
+class _MediaTypesClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MediaTypesClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/__init__.py
index 0f3942d58b8..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._media_types_client_operations import MediaTypesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MediaTypesClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/_media_types_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/_media_types_client_operations.py
index c9467bfda2c..b7c3fb09922 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/_media_types_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/_media_types_client_operations.py
@@ -155,7 +155,7 @@ def build_put_text_and_json_body_request(*, content: str, **kwargs: Any) -> Http
     return HttpRequest(method="POST", url=_url, headers=_headers, content=content, **kwargs)
 
 
-class MediaTypesClientOperationsMixin(
+class _MediaTypesClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MediaTypesClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/_merge_patch_json_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/_merge_patch_json_client.py
index 96372eacfea..301d215ce1c 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/_merge_patch_json_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/_merge_patch_json_client.py
@@ -16,10 +16,10 @@
 
 from ._configuration import MergePatchJsonClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MergePatchJsonClientOperationsMixin
+from .operations._merge_patch_json_client_operations import _MergePatchJsonClientOperationsMixin
 
 
-class MergePatchJsonClient(MergePatchJsonClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MergePatchJsonClient(_MergePatchJsonClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing merge patch json.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/_merge_patch_json_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/_merge_patch_json_client.py
index ca83746899f..7d719145e1b 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/_merge_patch_json_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/_merge_patch_json_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MergePatchJsonClientConfiguration
-from .operations import MergePatchJsonClientOperationsMixin
+from .operations._merge_patch_json_client_operations import _MergePatchJsonClientOperationsMixin
 
 
-class MergePatchJsonClient(MergePatchJsonClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MergePatchJsonClient(_MergePatchJsonClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing merge patch json.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/operations/__init__.py
index 0b59533fed7..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._merge_patch_json_client_operations import MergePatchJsonClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MergePatchJsonClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/operations/_merge_patch_json_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/operations/_merge_patch_json_client_operations.py
index 8028cdb920a..626d9dcabb9 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/operations/_merge_patch_json_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/aio/operations/_merge_patch_json_client_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MergePatchJsonClientOperationsMixin(
+class _MergePatchJsonClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MergePatchJsonClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/operations/__init__.py
index 0b59533fed7..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._merge_patch_json_client_operations import MergePatchJsonClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MergePatchJsonClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/operations/_merge_patch_json_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/operations/_merge_patch_json_client_operations.py
index 2874b9004f6..def638be04e 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/operations/_merge_patch_json_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MergePatchJson/mergepatchjson/operations/_merge_patch_json_client_operations.py
@@ -51,7 +51,7 @@ def build_patch_single_request(*, json: JSON, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PATCH", url=_url, headers=_headers, json=json, **kwargs)
 
 
-class MergePatchJsonClientOperationsMixin(
+class _MergePatchJsonClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MergePatchJsonClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/_auto_rest_resource_flattening_test_service.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/_auto_rest_resource_flattening_test_service.py
index c6e00d33017..7176ac52e3a 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/_auto_rest_resource_flattening_test_service.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/_auto_rest_resource_flattening_test_service.py
@@ -17,11 +17,13 @@
 from . import models as _models
 from ._configuration import AutoRestResourceFlatteningTestServiceConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AutoRestResourceFlatteningTestServiceOperationsMixin
+from .operations._auto_rest_resource_flattening_test_service_operations import (
+    _AutoRestResourceFlatteningTestServiceOperationsMixin,
+)
 
 
 class AutoRestResourceFlatteningTestService(
-    AutoRestResourceFlatteningTestServiceOperationsMixin
+    _AutoRestResourceFlatteningTestServiceOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Resource Flattening for AutoRest.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/_auto_rest_resource_flattening_test_service.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/_auto_rest_resource_flattening_test_service.py
index d9977d2a94d..c2dd7f9c1a8 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/_auto_rest_resource_flattening_test_service.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/_auto_rest_resource_flattening_test_service.py
@@ -17,11 +17,13 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutoRestResourceFlatteningTestServiceConfiguration
-from .operations import AutoRestResourceFlatteningTestServiceOperationsMixin
+from .operations._auto_rest_resource_flattening_test_service_operations import (
+    _AutoRestResourceFlatteningTestServiceOperationsMixin,
+)
 
 
 class AutoRestResourceFlatteningTestService(
-    AutoRestResourceFlatteningTestServiceOperationsMixin
+    _AutoRestResourceFlatteningTestServiceOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Resource Flattening for AutoRest.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/__init__.py
index 39cc78befb5..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._auto_rest_resource_flattening_test_service_operations import AutoRestResourceFlatteningTestServiceOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestResourceFlatteningTestServiceOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/_auto_rest_resource_flattening_test_service_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/_auto_rest_resource_flattening_test_service_operations.py
index 663a749ce7b..49192e3f52d 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/_auto_rest_resource_flattening_test_service_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/_auto_rest_resource_flattening_test_service_operations.py
@@ -45,7 +45,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutoRestResourceFlatteningTestServiceOperationsMixin(  # pylint: disable=name-too-long
+class _AutoRestResourceFlatteningTestServiceOperationsMixin(
     ClientMixinABC[
         AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutoRestResourceFlatteningTestServiceConfiguration
     ]
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/__init__.py
index 39cc78befb5..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._auto_rest_resource_flattening_test_service_operations import AutoRestResourceFlatteningTestServiceOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestResourceFlatteningTestServiceOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/_auto_rest_resource_flattening_test_service_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/_auto_rest_resource_flattening_test_service_operations.py
index 28a064cffe3..4b1fc1bf58e 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/_auto_rest_resource_flattening_test_service_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/_auto_rest_resource_flattening_test_service_operations.py
@@ -218,7 +218,7 @@ def build_put_simple_product_with_grouping_request(  # pylint: disable=name-too-
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class AutoRestResourceFlatteningTestServiceOperationsMixin(  # pylint: disable=name-too-long
+class _AutoRestResourceFlatteningTestServiceOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutoRestResourceFlatteningTestServiceConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/_multiple_inheritance_service_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/_multiple_inheritance_service_client.py
index 30586b888c5..358a5885397 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/_multiple_inheritance_service_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/_multiple_inheritance_service_client.py
@@ -17,11 +17,11 @@
 from . import models as _models
 from ._configuration import MultipleInheritanceServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import MultipleInheritanceServiceClientOperationsMixin
+from .operations._multiple_inheritance_service_client_operations import _MultipleInheritanceServiceClientOperationsMixin
 
 
 class MultipleInheritanceServiceClient(
-    MultipleInheritanceServiceClientOperationsMixin
+    _MultipleInheritanceServiceClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for multiinheritance client testing.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/_multiple_inheritance_service_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/_multiple_inheritance_service_client.py
index ff7b9962f32..cae5d4f85ea 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/_multiple_inheritance_service_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/_multiple_inheritance_service_client.py
@@ -17,11 +17,11 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultipleInheritanceServiceClientConfiguration
-from .operations import MultipleInheritanceServiceClientOperationsMixin
+from .operations._multiple_inheritance_service_client_operations import _MultipleInheritanceServiceClientOperationsMixin
 
 
 class MultipleInheritanceServiceClient(
-    MultipleInheritanceServiceClientOperationsMixin
+    _MultipleInheritanceServiceClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for multiinheritance client testing.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/operations/__init__.py
index 8c33c179879..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiple_inheritance_service_client_operations import MultipleInheritanceServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultipleInheritanceServiceClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/operations/_multiple_inheritance_service_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/operations/_multiple_inheritance_service_client_operations.py
index 88c8ac49923..c8d2fb060a7 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/operations/_multiple_inheritance_service_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/aio/operations/_multiple_inheritance_service_client_operations.py
@@ -44,7 +44,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultipleInheritanceServiceClientOperationsMixin(  # pylint: disable=name-too-long
+class _MultipleInheritanceServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultipleInheritanceServiceClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/operations/__init__.py
index 8c33c179879..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._multiple_inheritance_service_client_operations import MultipleInheritanceServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultipleInheritanceServiceClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/operations/_multiple_inheritance_service_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/operations/_multiple_inheritance_service_client_operations.py
index f9386bcae8e..ac0b8facdeb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/operations/_multiple_inheritance_service_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/MultipleInheritance/multipleinheritance/operations/_multiple_inheritance_service_client_operations.py
@@ -190,7 +190,7 @@ def build_put_kitten_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class MultipleInheritanceServiceClientOperationsMixin(  # pylint: disable=name-too-long
+class _MultipleInheritanceServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultipleInheritanceServiceClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/_object_type_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/_object_type_client.py
index 61598d3cd87..ae04976139a 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/_object_type_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/_object_type_client.py
@@ -16,10 +16,10 @@
 
 from ._configuration import ObjectTypeClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import ObjectTypeClientOperationsMixin
+from .operations._object_type_client_operations import _ObjectTypeClientOperationsMixin
 
 
-class ObjectTypeClient(ObjectTypeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ObjectTypeClient(_ObjectTypeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic type: object swaggers.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/_object_type_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/_object_type_client.py
index c4ede2535d0..8c3c7cb69b3 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/_object_type_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/_object_type_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ObjectTypeClientConfiguration
-from .operations import ObjectTypeClientOperationsMixin
+from .operations._object_type_client_operations import _ObjectTypeClientOperationsMixin
 
 
-class ObjectTypeClient(ObjectTypeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ObjectTypeClient(_ObjectTypeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic type: object swaggers.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/operations/__init__.py
index 517c77ac859..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._object_type_client_operations import ObjectTypeClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ObjectTypeClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/operations/_object_type_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/operations/_object_type_client_operations.py
index 9adfc25dd9b..00a8d96f4e7 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/operations/_object_type_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/aio/operations/_object_type_client_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ObjectTypeClientOperationsMixin(
+class _ObjectTypeClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ObjectTypeClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/operations/__init__.py
index 517c77ac859..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._object_type_client_operations import ObjectTypeClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ObjectTypeClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/operations/_object_type_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/operations/_object_type_client_operations.py
index a8c90a7ff31..d1fbef0ccce 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/operations/_object_type_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ObjectType/objecttype/operations/_object_type_client_operations.py
@@ -65,7 +65,7 @@ def build_put_request(*, json: JSON, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, json=json, **kwargs)
 
 
-class ObjectTypeClientOperationsMixin(
+class _ObjectTypeClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ObjectTypeClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/_anything_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/_anything_client.py
index f1360522921..006f2c9358f 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/_anything_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/_anything_client.py
@@ -16,10 +16,10 @@
 
 from ._configuration import AnythingClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AnythingClientOperationsMixin
+from .operations._anything_client_operations import _AnythingClientOperationsMixin
 
 
-class AnythingClient(AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AnythingClient(_AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic anything types. Those schemas without types can be anything:
     primitive, object, array.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/_anything_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/_anything_client.py
index 9784837beb0..743b0ee9ff0 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/_anything_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/_anything_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AnythingClientConfiguration
-from .operations import AnythingClientOperationsMixin
+from .operations._anything_client_operations import _AnythingClientOperationsMixin
 
 
-class AnythingClient(AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AnythingClient(_AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic anything types. Those schemas without types can be anything:
     primitive, object, array.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/operations/__init__.py
index 6d7790bec5c..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._anything_client_operations import AnythingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AnythingClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/operations/_anything_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/operations/_anything_client_operations.py
index 873d65fe5da..bef40570451 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/operations/_anything_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/aio/operations/_anything_client_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AnythingClientOperationsMixin(
+class _AnythingClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AnythingClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/operations/__init__.py
index 6d7790bec5c..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._anything_client_operations import AnythingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AnythingClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/operations/_anything_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/operations/_anything_client_operations.py
index 49d90a00ef9..6bc7e474e30 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/operations/_anything_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/PackageModeDataPlane/packagemode/operations/_anything_client_operations.py
@@ -117,7 +117,7 @@ def build_put_array_request(*, json: Any, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, json=json, **kwargs)
 
 
-class AnythingClientOperationsMixin(
+class _AnythingClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AnythingClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/_parmaterized_endpoint_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/_parmaterized_endpoint_client.py
index d7103ebb238..201c78fea11 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/_parmaterized_endpoint_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/_parmaterized_endpoint_client.py
@@ -16,11 +16,11 @@
 
 from ._configuration import ParmaterizedEndpointClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import ParmaterizedEndpointClientOperationsMixin
+from .operations._parmaterized_endpoint_client_operations import _ParmaterizedEndpointClientOperationsMixin
 
 
 class ParmaterizedEndpointClient(
-    ParmaterizedEndpointClientOperationsMixin
+    _ParmaterizedEndpointClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing parameterized hosts with the name 'endpoint'.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/_parmaterized_endpoint_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/_parmaterized_endpoint_client.py
index 10504b6d224..84c7567c180 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/_parmaterized_endpoint_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/_parmaterized_endpoint_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ParmaterizedEndpointClientConfiguration
-from .operations import ParmaterizedEndpointClientOperationsMixin
+from .operations._parmaterized_endpoint_client_operations import _ParmaterizedEndpointClientOperationsMixin
 
 
 class ParmaterizedEndpointClient(
-    ParmaterizedEndpointClientOperationsMixin
+    _ParmaterizedEndpointClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing parameterized hosts with the name 'endpoint'.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/operations/__init__.py
index c85d3a60e5a..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._parmaterized_endpoint_client_operations import ParmaterizedEndpointClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ParmaterizedEndpointClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/operations/_parmaterized_endpoint_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/operations/_parmaterized_endpoint_client_operations.py
index 36c6d5c0d44..4a053007aff 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/operations/_parmaterized_endpoint_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/aio/operations/_parmaterized_endpoint_client_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ParmaterizedEndpointClientOperationsMixin(  # pylint: disable=name-too-long
+class _ParmaterizedEndpointClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ParmaterizedEndpointClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/operations/__init__.py
index c85d3a60e5a..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._parmaterized_endpoint_client_operations import ParmaterizedEndpointClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ParmaterizedEndpointClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/operations/_parmaterized_endpoint_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/operations/_parmaterized_endpoint_client_operations.py
index 7fde19bd15d..7893d9f8a46 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/operations/_parmaterized_endpoint_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ParameterizedEndpoint/parameterizedendpoint/operations/_parmaterized_endpoint_client_operations.py
@@ -39,7 +39,7 @@ def build_get_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class ParmaterizedEndpointClientOperationsMixin(  # pylint: disable=name-too-long
+class _ParmaterizedEndpointClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ParmaterizedEndpointClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/_auto_rest_report_service.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/_auto_rest_report_service.py
index 41899dc3246..bdf8933c44e 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/_auto_rest_report_service.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/_auto_rest_report_service.py
@@ -17,10 +17,12 @@
 from . import models as _models
 from ._configuration import AutoRestReportServiceConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AutoRestReportServiceOperationsMixin
+from .operations._auto_rest_report_service_operations import _AutoRestReportServiceOperationsMixin
 
 
-class AutoRestReportService(AutoRestReportServiceOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutoRestReportService(
+    _AutoRestReportServiceOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/_auto_rest_report_service.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/_auto_rest_report_service.py
index 14af2152cc7..9cac0168a66 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/_auto_rest_report_service.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/_auto_rest_report_service.py
@@ -17,10 +17,12 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutoRestReportServiceConfiguration
-from .operations import AutoRestReportServiceOperationsMixin
+from .operations._auto_rest_report_service_operations import _AutoRestReportServiceOperationsMixin
 
 
-class AutoRestReportService(AutoRestReportServiceOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutoRestReportService(
+    _AutoRestReportServiceOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
     :param base_url: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/operations/__init__.py
index d66a1c4b236..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._auto_rest_report_service_operations import AutoRestReportServiceOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestReportServiceOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/operations/_auto_rest_report_service_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/operations/_auto_rest_report_service_operations.py
index 8189eec934f..4742dcf9026 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/operations/_auto_rest_report_service_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/aio/operations/_auto_rest_report_service_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutoRestReportServiceOperationsMixin(
+class _AutoRestReportServiceOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutoRestReportServiceConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/operations/__init__.py
index d66a1c4b236..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._auto_rest_report_service_operations import AutoRestReportServiceOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestReportServiceOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/operations/_auto_rest_report_service_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/operations/_auto_rest_report_service_operations.py
index 174b3bf95f6..48bbc146022 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/operations/_auto_rest_report_service_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Report/report/operations/_auto_rest_report_service_operations.py
@@ -72,7 +72,7 @@ def build_get_optional_report_request(*, qualifier: Optional[str] = None, **kwar
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class AutoRestReportServiceOperationsMixin(
+class _AutoRestReportServiceOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutoRestReportServiceConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/_reserved_words_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/_reserved_words_client.py
index 3498661d56d..f55576850cb 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/_reserved_words_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/_reserved_words_client.py
@@ -17,10 +17,11 @@
 from . import models as _models
 from ._configuration import ReservedWordsClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import ImportOperations, ReservedWordsClientOperationsMixin
+from .operations import ImportOperations
+from .operations._reserved_words_client_operations import _ReservedWordsClientOperationsMixin
 
 
-class ReservedWordsClient(ReservedWordsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ReservedWordsClient(_ReservedWordsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Swagger that has operation groups etc. with reserved words.
 
     :ivar import_operations: ImportOperations operations
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/_reserved_words_client.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/_reserved_words_client.py
index 5010b6d6707..a6b48a4e22b 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/_reserved_words_client.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/_reserved_words_client.py
@@ -17,10 +17,11 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ReservedWordsClientConfiguration
-from .operations import ImportOperations, ReservedWordsClientOperationsMixin
+from .operations import ImportOperations
+from .operations._reserved_words_client_operations import _ReservedWordsClientOperationsMixin
 
 
-class ReservedWordsClient(ReservedWordsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ReservedWordsClient(_ReservedWordsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Swagger that has operation groups etc. with reserved words.
 
     :ivar import_operations: ImportOperations operations
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/operations/__init__.py
index bc7a18dc7e4..1128e6aa1f9 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._import_operations_operations import ImportOperations  # type: ignore
-from ._reserved_words_client_operations import ReservedWordsClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "ImportOperations",
-    "ReservedWordsClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/operations/_reserved_words_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/operations/_reserved_words_client_operations.py
index 1b7fc59cb9d..ecf507ca19e 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/operations/_reserved_words_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/aio/operations/_reserved_words_client_operations.py
@@ -40,7 +40,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ReservedWordsClientOperationsMixin(
+class _ReservedWordsClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ReservedWordsClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/operations/__init__.py
index bc7a18dc7e4..1128e6aa1f9 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._import_operations_operations import ImportOperations  # type: ignore
-from ._reserved_words_client_operations import ReservedWordsClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "ImportOperations",
-    "ReservedWordsClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/operations/_reserved_words_client_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/operations/_reserved_words_client_operations.py
index 0bbab66e2e3..2052febf036 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/operations/_reserved_words_client_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/ReservedWords/reservedwords/operations/_reserved_words_client_operations.py
@@ -145,7 +145,7 @@ def build_reserved_enum_request(*, enum_parameter: Union[str, _models.MyEnum], *
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class ReservedWordsClientOperationsMixin(
+class _ReservedWordsClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ReservedWordsClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_autorest_security_aad.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_autorest_security_aad.py
index 46198eac398..66cb731f5ef 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_autorest_security_aad.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/_autorest_security_aad.py
@@ -16,13 +16,13 @@
 
 from ._configuration import AutorestSecurityAadConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AutorestSecurityAadOperationsMixin
+from .operations._autorest_security_aad_operations import _AutorestSecurityAadOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class AutorestSecurityAad(AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityAad(_AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Aad REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/_autorest_security_aad.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/_autorest_security_aad.py
index 3e39cb46ebb..3882c4bf512 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/_autorest_security_aad.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/_autorest_security_aad.py
@@ -16,13 +16,13 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutorestSecurityAadConfiguration
-from .operations import AutorestSecurityAadOperationsMixin
+from .operations._autorest_security_aad_operations import _AutorestSecurityAadOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class AutorestSecurityAad(AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityAad(_AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Aad REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/__init__.py
index 3b1135e8b6e..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._autorest_security_aad_operations import AutorestSecurityAadOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityAadOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/_autorest_security_aad_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/_autorest_security_aad_operations.py
index a36d0194072..13123d6731a 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/_autorest_security_aad_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/aio/operations/_autorest_security_aad_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutorestSecurityAadOperationsMixin(
+class _AutorestSecurityAadOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutorestSecurityAadConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/__init__.py
index 3b1135e8b6e..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._autorest_security_aad_operations import AutorestSecurityAadOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityAadOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/_autorest_security_aad_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/_autorest_security_aad_operations.py
index 2455f0554b1..400f837b049 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/_autorest_security_aad_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwagger/securityaadswagger/operations/_autorest_security_aad_operations.py
@@ -39,7 +39,7 @@ def build_head_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class AutorestSecurityAadOperationsMixin(
+class _AutorestSecurityAadOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutorestSecurityAadConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/_security_aad_swagger_credential_flag.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/_security_aad_swagger_credential_flag.py
index 685951fb47e..c4fa85113da 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/_security_aad_swagger_credential_flag.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/_security_aad_swagger_credential_flag.py
@@ -17,11 +17,13 @@
 
 from ._configuration import SecurityAadSwaggerCredentialFlagConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import SecurityAadSwaggerCredentialFlagOperationsMixin
+from .operations._security_aad_swagger_credential_flag_operations import (
+    _SecurityAadSwaggerCredentialFlagOperationsMixin,
+)
 
 
 class SecurityAadSwaggerCredentialFlag(
-    SecurityAadSwaggerCredentialFlagOperationsMixin
+    _SecurityAadSwaggerCredentialFlagOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Aad REST APIs.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/_security_aad_swagger_credential_flag.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/_security_aad_swagger_credential_flag.py
index aa6491007ee..28729933807 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/_security_aad_swagger_credential_flag.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/_security_aad_swagger_credential_flag.py
@@ -17,11 +17,13 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import SecurityAadSwaggerCredentialFlagConfiguration
-from .operations import SecurityAadSwaggerCredentialFlagOperationsMixin
+from .operations._security_aad_swagger_credential_flag_operations import (
+    _SecurityAadSwaggerCredentialFlagOperationsMixin,
+)
 
 
 class SecurityAadSwaggerCredentialFlag(
-    SecurityAadSwaggerCredentialFlagOperationsMixin
+    _SecurityAadSwaggerCredentialFlagOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Aad REST APIs.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/operations/__init__.py
index c64fbebaf18..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._security_aad_swagger_credential_flag_operations import SecurityAadSwaggerCredentialFlagOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SecurityAadSwaggerCredentialFlagOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/operations/_security_aad_swagger_credential_flag_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/operations/_security_aad_swagger_credential_flag_operations.py
index 8e93845fe99..d8ed582e927 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/operations/_security_aad_swagger_credential_flag_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/aio/operations/_security_aad_swagger_credential_flag_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class SecurityAadSwaggerCredentialFlagOperationsMixin(  # pylint: disable=name-too-long
+class _SecurityAadSwaggerCredentialFlagOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], SecurityAadSwaggerCredentialFlagConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/operations/__init__.py
index c64fbebaf18..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._security_aad_swagger_credential_flag_operations import SecurityAadSwaggerCredentialFlagOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SecurityAadSwaggerCredentialFlagOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/operations/_security_aad_swagger_credential_flag_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/operations/_security_aad_swagger_credential_flag_operations.py
index 4a38634aa50..a7d5f27cd62 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/operations/_security_aad_swagger_credential_flag_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityAadSwaggerCredentialFlag/securityaadswaggercredentialflag/operations/_security_aad_swagger_credential_flag_operations.py
@@ -39,7 +39,7 @@ def build_head_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class SecurityAadSwaggerCredentialFlagOperationsMixin(  # pylint: disable=name-too-long
+class _SecurityAadSwaggerCredentialFlagOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], SecurityAadSwaggerCredentialFlagConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_autorest_security_key.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_autorest_security_key.py
index 87fa9a90c50..a65a092157f 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_autorest_security_key.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/_autorest_security_key.py
@@ -17,10 +17,10 @@
 
 from ._configuration import AutorestSecurityKeyConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AutorestSecurityKeyOperationsMixin
+from .operations._autorest_security_key_operations import _AutorestSecurityKeyOperationsMixin
 
 
-class AutorestSecurityKey(AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityKey(_AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Key REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/_autorest_security_key.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/_autorest_security_key.py
index 728707551cc..e86249ebad6 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/_autorest_security_key.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/_autorest_security_key.py
@@ -17,10 +17,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutorestSecurityKeyConfiguration
-from .operations import AutorestSecurityKeyOperationsMixin
+from .operations._autorest_security_key_operations import _AutorestSecurityKeyOperationsMixin
 
 
-class AutorestSecurityKey(AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityKey(_AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Key REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/__init__.py
index 84cf99169f8..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._autorest_security_key_operations import AutorestSecurityKeyOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityKeyOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/_autorest_security_key_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/_autorest_security_key_operations.py
index 2abe0b28a8f..2a6c96bd93a 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/_autorest_security_key_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/aio/operations/_autorest_security_key_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutorestSecurityKeyOperationsMixin(
+class _AutorestSecurityKeyOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutorestSecurityKeyConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/__init__.py
index 84cf99169f8..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._autorest_security_key_operations import AutorestSecurityKeyOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityKeyOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/_autorest_security_key_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/_autorest_security_key_operations.py
index 1b8fca1c60a..09bf782ab5c 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/_autorest_security_key_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwagger/securitykeyswagger/operations/_autorest_security_key_operations.py
@@ -39,7 +39,7 @@ def build_head_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class AutorestSecurityKeyOperationsMixin(
+class _AutorestSecurityKeyOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutorestSecurityKeyConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/_security_key_swagger_credential_flag.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/_security_key_swagger_credential_flag.py
index 0702c5c791d..98a20c97831 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/_security_key_swagger_credential_flag.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/_security_key_swagger_credential_flag.py
@@ -16,14 +16,16 @@
 
 from ._configuration import SecurityKeySwaggerCredentialFlagConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import SecurityKeySwaggerCredentialFlagOperationsMixin
+from .operations._security_key_swagger_credential_flag_operations import (
+    _SecurityKeySwaggerCredentialFlagOperationsMixin,
+)
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
 class SecurityKeySwaggerCredentialFlag(
-    SecurityKeySwaggerCredentialFlagOperationsMixin
+    _SecurityKeySwaggerCredentialFlagOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Key REST APIs.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/_security_key_swagger_credential_flag.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/_security_key_swagger_credential_flag.py
index 64be0707df5..9cfea59efc7 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/_security_key_swagger_credential_flag.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/_security_key_swagger_credential_flag.py
@@ -16,14 +16,16 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import SecurityKeySwaggerCredentialFlagConfiguration
-from .operations import SecurityKeySwaggerCredentialFlagOperationsMixin
+from .operations._security_key_swagger_credential_flag_operations import (
+    _SecurityKeySwaggerCredentialFlagOperationsMixin,
+)
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
 class SecurityKeySwaggerCredentialFlag(
-    SecurityKeySwaggerCredentialFlagOperationsMixin
+    _SecurityKeySwaggerCredentialFlagOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Key REST APIs.
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/operations/__init__.py
index c39916b7199..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._security_key_swagger_credential_flag_operations import SecurityKeySwaggerCredentialFlagOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SecurityKeySwaggerCredentialFlagOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/operations/_security_key_swagger_credential_flag_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/operations/_security_key_swagger_credential_flag_operations.py
index 851762bc058..fcaeef77397 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/operations/_security_key_swagger_credential_flag_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/aio/operations/_security_key_swagger_credential_flag_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class SecurityKeySwaggerCredentialFlagOperationsMixin(  # pylint: disable=name-too-long
+class _SecurityKeySwaggerCredentialFlagOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], SecurityKeySwaggerCredentialFlagConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/operations/__init__.py
index c39916b7199..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/operations/__init__.py
@@ -1,4 +1,3 @@
-# pylint: disable=line-too-long,useless-suppression
 # coding=utf-8
 # --------------------------------------------------------------------------
 # Copyright (c) Microsoft Corporation. All rights reserved.
@@ -13,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._security_key_swagger_credential_flag_operations import SecurityKeySwaggerCredentialFlagOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SecurityKeySwaggerCredentialFlagOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/operations/_security_key_swagger_credential_flag_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/operations/_security_key_swagger_credential_flag_operations.py
index 677ae18d42b..0d300e599bf 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/operations/_security_key_swagger_credential_flag_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/SecurityKeySwaggerCredentialFlag/securitykeyswaggercredentialflag/operations/_security_key_swagger_credential_flag_operations.py
@@ -39,7 +39,7 @@ def build_head_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class SecurityKeySwaggerCredentialFlagOperationsMixin(  # pylint: disable=name-too-long
+class _SecurityKeySwaggerCredentialFlagOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], SecurityKeySwaggerCredentialFlagConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/_auto_rest_validation_test.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/_auto_rest_validation_test.py
index b2bc8afba3c..d08e1ac098c 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/_auto_rest_validation_test.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/_auto_rest_validation_test.py
@@ -18,10 +18,10 @@
 
 from . import models as _models
 from ._configuration import AutoRestValidationTestConfiguration
-from .operations import AutoRestValidationTestOperationsMixin
+from .operations._auto_rest_validation_test_operations import _AutoRestValidationTestOperationsMixin
 
 
-class AutoRestValidationTest(AutoRestValidationTestOperationsMixin):
+class AutoRestValidationTest(_AutoRestValidationTestOperationsMixin):
     """Test Infrastructure for AutoRest. No server backend exists for these tests.
 
     :param subscription_id: Subscription ID. Required.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/_auto_rest_validation_test.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/_auto_rest_validation_test.py
index 482dff708dd..5309f605187 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/_auto_rest_validation_test.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/_auto_rest_validation_test.py
@@ -18,10 +18,10 @@
 
 from .. import models as _models
 from ._configuration import AutoRestValidationTestConfiguration
-from .operations import AutoRestValidationTestOperationsMixin
+from .operations._auto_rest_validation_test_operations import _AutoRestValidationTestOperationsMixin
 
 
-class AutoRestValidationTest(AutoRestValidationTestOperationsMixin):
+class AutoRestValidationTest(_AutoRestValidationTestOperationsMixin):
     """Test Infrastructure for AutoRest. No server backend exists for these tests.
 
     :param subscription_id: Subscription ID. Required.
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/operations/__init__.py
index b6140ad3a88..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._auto_rest_validation_test_operations import AutoRestValidationTestOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestValidationTestOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/operations/_auto_rest_validation_test_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/operations/_auto_rest_validation_test_operations.py
index 7039217d379..b66856f540f 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/operations/_auto_rest_validation_test_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/aio/operations/_auto_rest_validation_test_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutoRestValidationTestOperationsMixin(
+class _AutoRestValidationTestOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutoRestValidationTestConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/operations/__init__.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/operations/__init__.py
index b6140ad3a88..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._auto_rest_validation_test_operations import AutoRestValidationTestOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestValidationTestOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/operations/_auto_rest_validation_test_operations.py b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/operations/_auto_rest_validation_test_operations.py
index 9f9084921a7..9e614a2cf7b 100644
--- a/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/operations/_auto_rest_validation_test_operations.py
+++ b/packages/autorest.python/test/vanilla/legacy/Expected/AcceptanceTests/Validation/validation/operations/_auto_rest_validation_test_operations.py
@@ -134,7 +134,7 @@ def build_post_with_constant_in_body_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class AutoRestValidationTestOperationsMixin(
+class _AutoRestValidationTestOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutoRestValidationTestConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_client.py
index f85ae753b2c..a39ac1281fa 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import AnythingClientConfiguration
-from ._operations import AnythingClientOperationsMixin
+from ._operations._operations import _AnythingClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class AnythingClient(AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AnythingClient(_AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic anything types. Those schemas without types can be anything:
     primitive, object, array.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_operations/__init__.py
index db968715267..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AnythingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AnythingClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_operations/_operations.py
index 4457c4f2fbf..24311a83df6 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/_operations/_operations.py
@@ -117,7 +117,7 @@ def build_anything_put_array_request(*, json: Any, **kwargs: Any) -> HttpRequest
     return HttpRequest(method="PUT", url=_url, headers=_headers, json=json, **kwargs)
 
 
-class AnythingClientOperationsMixin(
+class _AnythingClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AnythingClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_client.py
index 8e3a540c4c5..c5c5a605f5b 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AnythingClientConfiguration
-from ._operations import AnythingClientOperationsMixin
+from ._operations._operations import _AnythingClientOperationsMixin
 
 
-class AnythingClient(AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AnythingClient(_AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic anything types. Those schemas without types can be anything:
     primitive, object, array.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_operations/__init__.py
index db968715267..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AnythingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AnythingClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_operations/_operations.py
index 5e8556800c3..008e2b69625 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/AnythingVersionTolerant/anythingversiontolerant/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AnythingClientOperationsMixin(
+class _AnythingClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AnythingClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_client.py
index b7e167ed7f2..247fddfb5af 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_client.py
@@ -16,11 +16,11 @@
 
 from . import models as _models
 from ._configuration import ClientWithEnumConfiguration
-from ._operations import ClientWithEnumOperationsMixin
+from ._operations._operations import _ClientWithEnumOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class ClientWithEnum(ClientWithEnumOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientWithEnum(_ClientWithEnumOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test client with enum variable.
 
     :param x_ms_enum: Enum client parameter. "single" Required.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_operations/__init__.py
index 4034a91d66c..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ClientWithEnumOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientWithEnumOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_operations/_operations.py
index f6095c9197c..cbf6b3b8b16 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/_operations/_operations.py
@@ -46,7 +46,7 @@ def build_client_with_enum_head_request(*, x_ms_enum: Union[str, _models.Enum0],
     return HttpRequest(method="HEAD", url=_url, headers=_headers, **kwargs)
 
 
-class ClientWithEnumOperationsMixin(
+class _ClientWithEnumOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ClientWithEnumConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_client.py
index b6f52b1084e..cc3883eb1e5 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_client.py
@@ -17,10 +17,10 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ClientWithEnumConfiguration
-from ._operations import ClientWithEnumOperationsMixin
+from ._operations._operations import _ClientWithEnumOperationsMixin
 
 
-class ClientWithEnum(ClientWithEnumOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientWithEnum(_ClientWithEnumOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test client with enum variable.
 
     :param x_ms_enum: Enum client parameter. "single" Required.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_operations/__init__.py
index 4034a91d66c..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ClientWithEnumOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientWithEnumOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_operations/_operations.py
index 6c5ef31e7ae..ecf5633b0e5 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ClientEnumVersionTolerant/clientenumversiontolerant/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ClientWithEnumOperationsMixin(
+class _ClientWithEnumOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ClientWithEnumConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_client.py
index 26d09122cc1..3123207ace5 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import ErrorWithSecretsConfiguration
-from ._operations import ErrorWithSecretsOperationsMixin
+from ._operations._operations import _ErrorWithSecretsOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class ErrorWithSecrets(ErrorWithSecretsOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ErrorWithSecrets(_ErrorWithSecretsOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Tests whether loggers/tracers redact secrets and PII within error responses.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_operations/__init__.py
index b990c61f493..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ErrorWithSecretsOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ErrorWithSecretsOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_operations/_operations.py
index ae89555b8f3..0c8dc1af753 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/_operations/_operations.py
@@ -64,7 +64,7 @@ def build_error_with_secrets_get_error_with_secrets_request(  # pylint: disable=
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class ErrorWithSecretsOperationsMixin(
+class _ErrorWithSecretsOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ErrorWithSecretsConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_client.py
index 24112a9f97b..8831440b294 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ErrorWithSecretsConfiguration
-from ._operations import ErrorWithSecretsOperationsMixin
+from ._operations._operations import _ErrorWithSecretsOperationsMixin
 
 
-class ErrorWithSecrets(ErrorWithSecretsOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ErrorWithSecrets(_ErrorWithSecretsOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Tests whether loggers/tracers redact secrets and PII within error responses.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_operations/__init__.py
index b990c61f493..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ErrorWithSecretsOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ErrorWithSecretsOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_operations/_operations.py
index f901310b3dc..ec15c716ef7 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ErrorWithSecretsVersionTolerant/errorwithsecretsversiontolerant/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ErrorWithSecretsOperationsMixin(
+class _ErrorWithSecretsOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ErrorWithSecretsConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_client.py
index d2fdfc77a49..608c1fb8681 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import IncorrectReturnedErrorModelConfiguration
-from ._operations import IncorrectReturnedErrorModelOperationsMixin
+from ._operations._operations import _IncorrectReturnedErrorModelOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class IncorrectReturnedErrorModel(
-    IncorrectReturnedErrorModelOperationsMixin
+    _IncorrectReturnedErrorModelOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test to see when throwing an HttpResponseError whether we swallow error model deserialization
     errors.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_operations/__init__.py
index 51e7acf1f23..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import IncorrectReturnedErrorModelOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "IncorrectReturnedErrorModelOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_operations/_operations.py
index a0bdfd1daf4..79e98de9b59 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/_operations/_operations.py
@@ -41,7 +41,7 @@ def build_incorrect_returned_error_model_get_incorrect_error_from_server_request
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class IncorrectReturnedErrorModelOperationsMixin(  # pylint: disable=name-too-long
+class _IncorrectReturnedErrorModelOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], IncorrectReturnedErrorModelConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_client.py
index 7009e595ff0..f7f55e04e29 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import IncorrectReturnedErrorModelConfiguration
-from ._operations import IncorrectReturnedErrorModelOperationsMixin
+from ._operations._operations import _IncorrectReturnedErrorModelOperationsMixin
 
 
 class IncorrectReturnedErrorModel(
-    IncorrectReturnedErrorModelOperationsMixin
+    _IncorrectReturnedErrorModelOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test to see when throwing an HttpResponseError whether we swallow error model deserialization
     errors.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_operations/__init__.py
index 51e7acf1f23..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import IncorrectReturnedErrorModelOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "IncorrectReturnedErrorModelOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_operations/_operations.py
index e4a150d106f..759c4eb89b3 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/IncorrectErrorResponseVersionTolerant/incorrecterrorresponseversiontolerant/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class IncorrectReturnedErrorModelOperationsMixin(  # pylint: disable=name-too-long
+class _IncorrectReturnedErrorModelOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], IncorrectReturnedErrorModelConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_client.py
index 0bb32b4034c..9f090c1d9db 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import MediaTypesClientConfiguration
-from ._operations import MediaTypesClientOperationsMixin
+from ._operations._operations import _MediaTypesClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class MediaTypesClient(MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MediaTypesClient(_MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Play with produces/consumes and media-types in general.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/__init__.py
index ecd83d7efc6..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MediaTypesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MediaTypesClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/_operations.py
index 78ce8e78716..7b56185938a 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/_operations.py
@@ -144,7 +144,7 @@ def build_media_types_put_text_and_json_body_request(  # pylint: disable=name-to
     return HttpRequest(method="POST", url=_url, headers=_headers, content=content, **kwargs)
 
 
-class MediaTypesClientOperationsMixin(  # pylint: disable=abstract-class-instantiated
+class _MediaTypesClientOperationsMixin(  # pylint: disable=abstract-class-instantiated
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MediaTypesClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_client.py
index a3fdbcaab3a..dc2a8d64e8e 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MediaTypesClientConfiguration
-from ._operations import MediaTypesClientOperationsMixin
+from ._operations._operations import _MediaTypesClientOperationsMixin
 
 
-class MediaTypesClient(MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MediaTypesClient(_MediaTypesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Play with produces/consumes and media-types in general.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/__init__.py
index ecd83d7efc6..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MediaTypesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MediaTypesClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/_operations.py
index 7b30e338253..a35a45cd205 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/_operations.py
@@ -40,7 +40,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MediaTypesClientOperationsMixin(  # pylint: disable=abstract-class-instantiated
+class _MediaTypesClientOperationsMixin(  # pylint: disable=abstract-class-instantiated
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MediaTypesClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_client.py
index 5701fd36290..fda55f360a2 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import MergePatchJsonClientConfiguration
-from ._operations import MergePatchJsonClientOperationsMixin
+from ._operations._operations import _MergePatchJsonClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class MergePatchJsonClient(MergePatchJsonClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MergePatchJsonClient(_MergePatchJsonClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing merge patch json.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_operations/__init__.py
index 9bb68aaa112..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MergePatchJsonClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MergePatchJsonClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_operations/_operations.py
index 618b289efd0..1da0dd33cfa 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/_operations/_operations.py
@@ -53,7 +53,7 @@ def build_merge_patch_json_patch_single_request(  # pylint: disable=name-too-lon
     return HttpRequest(method="PATCH", url=_url, headers=_headers, json=json, **kwargs)
 
 
-class MergePatchJsonClientOperationsMixin(
+class _MergePatchJsonClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MergePatchJsonClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_client.py
index 535a9ca380f..27918df50fc 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MergePatchJsonClientConfiguration
-from ._operations import MergePatchJsonClientOperationsMixin
+from ._operations._operations import _MergePatchJsonClientOperationsMixin
 
 
-class MergePatchJsonClient(MergePatchJsonClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MergePatchJsonClient(_MergePatchJsonClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing merge patch json.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_operations/__init__.py
index 9bb68aaa112..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MergePatchJsonClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MergePatchJsonClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_operations/_operations.py
index 736c40fb6da..030fbb967de 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MergePatchJsonVersionTolerant/mergepatchjsonversiontolerant/aio/_operations/_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MergePatchJsonClientOperationsMixin(
+class _MergePatchJsonClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MergePatchJsonClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_client.py
index 1ba4d7f684e..6f4e2192f60 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import AutoRestResourceFlatteningTestServiceConfiguration
-from ._operations import AutoRestResourceFlatteningTestServiceOperationsMixin
+from ._operations._operations import _AutoRestResourceFlatteningTestServiceOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class AutoRestResourceFlatteningTestService(
-    AutoRestResourceFlatteningTestServiceOperationsMixin
+    _AutoRestResourceFlatteningTestServiceOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Resource Flattening for AutoRest.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/__init__.py
index 32ec21e485c..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutoRestResourceFlatteningTestServiceOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestResourceFlatteningTestServiceOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/_operations.py
index 0c6238a5a70..276bb710ae0 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/_operations.py
@@ -238,7 +238,7 @@ def build_auto_rest_resource_flattening_test_service_put_simple_product_with_gro
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class AutoRestResourceFlatteningTestServiceOperationsMixin(  # pylint: disable=name-too-long
+class _AutoRestResourceFlatteningTestServiceOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutoRestResourceFlatteningTestServiceConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_client.py
index cac25fcefc0..55078bb695e 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutoRestResourceFlatteningTestServiceConfiguration
-from ._operations import AutoRestResourceFlatteningTestServiceOperationsMixin
+from ._operations._operations import _AutoRestResourceFlatteningTestServiceOperationsMixin
 
 
 class AutoRestResourceFlatteningTestService(
-    AutoRestResourceFlatteningTestServiceOperationsMixin
+    _AutoRestResourceFlatteningTestServiceOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Resource Flattening for AutoRest.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/__init__.py
index 32ec21e485c..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutoRestResourceFlatteningTestServiceOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestResourceFlatteningTestServiceOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/_operations.py
index 10a34e529df..5b53ad49c43 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/_operations.py
@@ -45,7 +45,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutoRestResourceFlatteningTestServiceOperationsMixin(  # pylint: disable=name-too-long
+class _AutoRestResourceFlatteningTestServiceOperationsMixin(
     ClientMixinABC[
         AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutoRestResourceFlatteningTestServiceConfiguration
     ]
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_client.py
index cd031e32cc9..fa349e1860b 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import MultipleInheritanceServiceClientConfiguration
-from ._operations import MultipleInheritanceServiceClientOperationsMixin
+from ._operations._operations import _MultipleInheritanceServiceClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class MultipleInheritanceServiceClient(
-    MultipleInheritanceServiceClientOperationsMixin
+    _MultipleInheritanceServiceClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for multiinheritance client testing.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_operations/__init__.py
index 28e9ebebd34..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MultipleInheritanceServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultipleInheritanceServiceClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_operations/_operations.py
index d4f08bdafdd..357a2f396be 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/_operations/_operations.py
@@ -199,7 +199,7 @@ def build_multiple_inheritance_service_put_kitten_request(  # pylint: disable=na
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class MultipleInheritanceServiceClientOperationsMixin(  # pylint: disable=name-too-long
+class _MultipleInheritanceServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultipleInheritanceServiceClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_client.py
index 9875e7daada..ebb08e52d95 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultipleInheritanceServiceClientConfiguration
-from ._operations import MultipleInheritanceServiceClientOperationsMixin
+from ._operations._operations import _MultipleInheritanceServiceClientOperationsMixin
 
 
 class MultipleInheritanceServiceClient(
-    MultipleInheritanceServiceClientOperationsMixin
+    _MultipleInheritanceServiceClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for multiinheritance client testing.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_operations/__init__.py
index 28e9ebebd34..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MultipleInheritanceServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultipleInheritanceServiceClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_operations/_operations.py
index 91ea6c6a0d4..c74aa62edbb 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/MultipleInheritanceVersionTolerant/multipleinheritanceversiontolerant/aio/_operations/_operations.py
@@ -44,7 +44,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultipleInheritanceServiceClientOperationsMixin(  # pylint: disable=name-too-long
+class _MultipleInheritanceServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultipleInheritanceServiceClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_client.py
index f85ae753b2c..a39ac1281fa 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import AnythingClientConfiguration
-from ._operations import AnythingClientOperationsMixin
+from ._operations._operations import _AnythingClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class AnythingClient(AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AnythingClient(_AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic anything types. Those schemas without types can be anything:
     primitive, object, array.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_operations/__init__.py
index db968715267..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AnythingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AnythingClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_operations/_operations.py
index 4457c4f2fbf..24311a83df6 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/_operations/_operations.py
@@ -117,7 +117,7 @@ def build_anything_put_array_request(*, json: Any, **kwargs: Any) -> HttpRequest
     return HttpRequest(method="PUT", url=_url, headers=_headers, json=json, **kwargs)
 
 
-class AnythingClientOperationsMixin(
+class _AnythingClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AnythingClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_client.py
index 8e3a540c4c5..c5c5a605f5b 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AnythingClientConfiguration
-from ._operations import AnythingClientOperationsMixin
+from ._operations._operations import _AnythingClientOperationsMixin
 
 
-class AnythingClient(AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AnythingClient(_AnythingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic anything types. Those schemas without types can be anything:
     primitive, object, array.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_operations/__init__.py
index db968715267..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AnythingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AnythingClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_operations/_operations.py
index 5e8556800c3..008e2b69625 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/NoNamespaceFlagVersionTolerant/anything_client/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AnythingClientOperationsMixin(
+class _AnythingClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AnythingClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_client.py
index 319d3aacd92..3e2ed1a2fb5 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import ObjectTypeClientConfiguration
-from ._operations import ObjectTypeClientOperationsMixin
+from ._operations._operations import _ObjectTypeClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class ObjectTypeClient(ObjectTypeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ObjectTypeClient(_ObjectTypeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic type: object swaggers.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_operations/__init__.py
index aa21b72dde1..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ObjectTypeClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ObjectTypeClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_operations/_operations.py
index fdd5e4ef255..af26e4a7d26 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/_operations/_operations.py
@@ -65,7 +65,7 @@ def build_object_type_put_request(*, json: JSON, **kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, json=json, **kwargs)
 
 
-class ObjectTypeClientOperationsMixin(
+class _ObjectTypeClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ObjectTypeClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_client.py
index 60cdb27115d..d62ca3a998a 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ObjectTypeClientConfiguration
-from ._operations import ObjectTypeClientOperationsMixin
+from ._operations._operations import _ObjectTypeClientOperationsMixin
 
 
-class ObjectTypeClient(ObjectTypeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ObjectTypeClient(_ObjectTypeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing basic type: object swaggers.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_operations/__init__.py
index aa21b72dde1..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ObjectTypeClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ObjectTypeClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_operations/_operations.py
index 11585c72fa4..33d0c90778e 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ObjectTypeVersionTolerant/objecttypeversiontolerant/aio/_operations/_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ObjectTypeClientOperationsMixin(
+class _ObjectTypeClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ObjectTypeClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_client.py
index fd68bb5f75c..2275d87a1c5 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import ParmaterizedEndpointClientConfiguration
-from ._operations import ParmaterizedEndpointClientOperationsMixin
+from ._operations._operations import _ParmaterizedEndpointClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class ParmaterizedEndpointClient(
-    ParmaterizedEndpointClientOperationsMixin
+    _ParmaterizedEndpointClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing parameterized hosts with the name 'endpoint'.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_operations/__init__.py
index 96080355091..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ParmaterizedEndpointClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ParmaterizedEndpointClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_operations/_operations.py
index da922c38ed1..282d1d041a8 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/_operations/_operations.py
@@ -39,7 +39,7 @@ def build_parmaterized_endpoint_get_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class ParmaterizedEndpointClientOperationsMixin(  # pylint: disable=name-too-long
+class _ParmaterizedEndpointClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ParmaterizedEndpointClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_client.py
index 362eff8b6c2..5d99e9494c6 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ParmaterizedEndpointClientConfiguration
-from ._operations import ParmaterizedEndpointClientOperationsMixin
+from ._operations._operations import _ParmaterizedEndpointClientOperationsMixin
 
 
 class ParmaterizedEndpointClient(
-    ParmaterizedEndpointClientOperationsMixin
+    _ParmaterizedEndpointClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Service client for testing parameterized hosts with the name 'endpoint'.
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_operations/__init__.py
index 96080355091..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ParmaterizedEndpointClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ParmaterizedEndpointClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_operations/_operations.py
index 802638361cd..d3a8062e0a6 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ParameterizedEndpointVersionTolerant/parameterizedendpointversiontolerant/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ParmaterizedEndpointClientOperationsMixin(  # pylint: disable=name-too-long
+class _ParmaterizedEndpointClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ParmaterizedEndpointClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_client.py
index aaebb3d12d1..5fe3d7c1c19 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_client.py
@@ -15,11 +15,13 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import AutoRestReportServiceConfiguration
-from ._operations import AutoRestReportServiceOperationsMixin
+from ._operations._operations import _AutoRestReportServiceOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class AutoRestReportService(AutoRestReportServiceOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutoRestReportService(
+    _AutoRestReportServiceOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_operations/__init__.py
index 0a64a44ec2d..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutoRestReportServiceOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestReportServiceOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_operations/_operations.py
index 3a400704fcf..36388d91591 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/_operations/_operations.py
@@ -75,7 +75,7 @@ def build_auto_rest_report_service_get_optional_report_request(  # pylint: disab
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class AutoRestReportServiceOperationsMixin(
+class _AutoRestReportServiceOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutoRestReportServiceConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_client.py
index add51244876..def3b566304 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_client.py
@@ -16,10 +16,12 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutoRestReportServiceConfiguration
-from ._operations import AutoRestReportServiceOperationsMixin
+from ._operations._operations import _AutoRestReportServiceOperationsMixin
 
 
-class AutoRestReportService(AutoRestReportServiceOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutoRestReportService(
+    _AutoRestReportServiceOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test Infrastructure for AutoRest.
 
     :keyword endpoint: Service URL. Default value is "http://localhost:3000".
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_operations/__init__.py
index 0a64a44ec2d..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutoRestReportServiceOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestReportServiceOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_operations/_operations.py
index 89f924c28a2..fd4ae84eb10 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReportVersionTolerant/reportversiontolerant/aio/_operations/_operations.py
@@ -33,7 +33,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutoRestReportServiceOperationsMixin(
+class _AutoRestReportServiceOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutoRestReportServiceConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/_client.py
index b504e70e4df..6b192d7d79f 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/_client.py
@@ -16,10 +16,11 @@
 
 from ._configuration import ReservedWordsClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import ImportOperations, ReservedWordsClientOperationsMixin
+from .operations import ImportOperations
+from .operations._operations import _ReservedWordsClientOperationsMixin
 
 
-class ReservedWordsClient(ReservedWordsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ReservedWordsClient(_ReservedWordsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Swagger that has operation groups etc. with reserved words.
 
     :ivar import_operations: ImportOperations operations
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/_client.py
index 22b2ec475e0..9a8134ef2dd 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/_client.py
@@ -16,10 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ReservedWordsClientConfiguration
-from .operations import ImportOperations, ReservedWordsClientOperationsMixin
+from .operations import ImportOperations
+from .operations._operations import _ReservedWordsClientOperationsMixin
 
 
-class ReservedWordsClient(ReservedWordsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ReservedWordsClient(_ReservedWordsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Swagger that has operation groups etc. with reserved words.
 
     :ivar import_operations: ImportOperations operations
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/operations/__init__.py
index e42e09ce3f3..ec4bc540d37 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import ImportOperations  # type: ignore
-from ._operations import ReservedWordsClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "ImportOperations",
-    "ReservedWordsClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/operations/_operations.py
index b706d6c2da3..2801f4be183 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/aio/operations/_operations.py
@@ -108,7 +108,7 @@ async def operation_one(self, *, parameter1: str, **kwargs: Any) -> JSON:
         return cast(JSON, deserialized)  # type: ignore
 
 
-class ReservedWordsClientOperationsMixin(  # pylint: disable=abstract-class-instantiated
+class _ReservedWordsClientOperationsMixin(  # pylint: disable=abstract-class-instantiated
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ReservedWordsClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/operations/__init__.py
index e42e09ce3f3..ec4bc540d37 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import ImportOperations  # type: ignore
-from ._operations import ReservedWordsClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "ImportOperations",
-    "ReservedWordsClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/operations/_operations.py
index 4f25f3c5365..dec6dd78f53 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ReservedWordsVersionTolerant/reservedwordsversiontolerant/operations/_operations.py
@@ -207,7 +207,7 @@ def operation_one(self, *, parameter1: str, **kwargs: Any) -> JSON:
         return cast(JSON, deserialized)  # type: ignore
 
 
-class ReservedWordsClientOperationsMixin(  # pylint: disable=abstract-class-instantiated
+class _ReservedWordsClientOperationsMixin(  # pylint: disable=abstract-class-instantiated
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ReservedWordsClientConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_client.py
index 61ee113a306..388047eeac2 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_client.py
@@ -15,14 +15,14 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import AutorestSecurityAadConfiguration
-from ._operations import AutorestSecurityAadOperationsMixin
+from ._operations._operations import _AutorestSecurityAadOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class AutorestSecurityAad(AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityAad(_AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Aad REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_operations/__init__.py
index 25507ea4da7..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutorestSecurityAadOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityAadOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_operations/_operations.py
index a8003db3287..37b5a4ce8df 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/_operations/_operations.py
@@ -39,7 +39,7 @@ def build_autorest_security_aad_head_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class AutorestSecurityAadOperationsMixin(
+class _AutorestSecurityAadOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutorestSecurityAadConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_client.py
index cc1d5685e5d..2c9e8203ec9 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_client.py
@@ -16,13 +16,13 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutorestSecurityAadConfiguration
-from ._operations import AutorestSecurityAadOperationsMixin
+from ._operations._operations import _AutorestSecurityAadOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class AutorestSecurityAad(AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityAad(_AutorestSecurityAadOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Aad REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_operations/__init__.py
index 25507ea4da7..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutorestSecurityAadOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityAadOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_operations/_operations.py
index 3b5ce93b1b2..ef672aa9bfc 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityAadSwaggerVersionTolerant/securityaadswaggerversiontolerant/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutorestSecurityAadOperationsMixin(
+class _AutorestSecurityAadOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutorestSecurityAadConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_client.py
index f9345349046..3c29fc509fd 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_client.py
@@ -16,11 +16,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import AutorestSecurityKeyConfiguration
-from ._operations import AutorestSecurityKeyOperationsMixin
+from ._operations._operations import _AutorestSecurityKeyOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class AutorestSecurityKey(AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityKey(_AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Key REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_operations/__init__.py
index e3e6352a766..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutorestSecurityKeyOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityKeyOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_operations/_operations.py
index f1a87f05cca..1fe9f880b79 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/_operations/_operations.py
@@ -39,7 +39,7 @@ def build_autorest_security_key_head_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class AutorestSecurityKeyOperationsMixin(
+class _AutorestSecurityKeyOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutorestSecurityKeyConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_client.py
index 043d82cb84d..fe4f2cadd4c 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_client.py
@@ -17,10 +17,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutorestSecurityKeyConfiguration
-from ._operations import AutorestSecurityKeyOperationsMixin
+from ._operations._operations import _AutorestSecurityKeyOperationsMixin
 
 
-class AutorestSecurityKey(AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AutorestSecurityKey(_AutorestSecurityKeyOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Autorest Security Key REST APIs.
 
     :param credential: Credential needed for the client to connect to Azure. Required.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_operations/__init__.py
index e3e6352a766..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutorestSecurityKeyOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutorestSecurityKeyOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_operations/_operations.py
index 741dc9b626a..ec6e8cc9ec5 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/SecurityKeySwaggerVersionTolerant/securitykeyswaggerversiontolerant/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutorestSecurityKeyOperationsMixin(
+class _AutorestSecurityKeyOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutorestSecurityKeyConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_client.py
index dacbec74c06..5524cd6b37b 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import AutoRestValidationTestConfiguration
-from ._operations import AutoRestValidationTestOperationsMixin
+from ._operations._operations import _AutoRestValidationTestOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class AutoRestValidationTest(AutoRestValidationTestOperationsMixin):
+class AutoRestValidationTest(_AutoRestValidationTestOperationsMixin):
     """Test Infrastructure for AutoRest. No server backend exists for these tests.
 
     :param subscription_id: Subscription ID. Required.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_operations/__init__.py
index 8e3360acbf9..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutoRestValidationTestOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestValidationTestOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_operations/_operations.py
index 3cc29ef93c0..410ca0359ab 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/_operations/_operations.py
@@ -138,7 +138,7 @@ def build_auto_rest_validation_test_post_with_constant_in_body_request(  # pylin
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class AutoRestValidationTestOperationsMixin(
+class _AutoRestValidationTestOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AutoRestValidationTestConfiguration]
 ):
 
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_client.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_client.py
index 28dd473abe0..86fd2c656cb 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_client.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AutoRestValidationTestConfiguration
-from ._operations import AutoRestValidationTestOperationsMixin
+from ._operations._operations import _AutoRestValidationTestOperationsMixin
 
 
-class AutoRestValidationTest(AutoRestValidationTestOperationsMixin):
+class AutoRestValidationTest(_AutoRestValidationTestOperationsMixin):
     """Test Infrastructure for AutoRest. No server backend exists for these tests.
 
     :param subscription_id: Subscription ID. Required.
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_operations/__init__.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_operations/__init__.py
index 8e3360acbf9..780c0001fb4 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_operations/__init__.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AutoRestValidationTestOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AutoRestValidationTestOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_operations/_operations.py b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_operations/_operations.py
index be8e44149f1..d122d1080cb 100644
--- a/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_operations/_operations.py
+++ b/packages/autorest.python/test/vanilla/version-tolerant/Expected/AcceptanceTests/ValidationVersionTolerant/validationversiontolerant/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AutoRestValidationTestOperationsMixin(
+class _AutoRestValidationTestOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AutoRestValidationTestConfiguration]
 ):
 
diff --git a/packages/typespec-python/package.json b/packages/typespec-python/package.json
index a8a4826eca7..21e59ea38a1 100644
--- a/packages/typespec-python/package.json
+++ b/packages/typespec-python/package.json
@@ -67,7 +67,7 @@
     "js-yaml": "~4.1.0",
     "semver": "~7.6.2",
     "tsx": "~4.19.1",
-    "@typespec/http-client-python": "0.13.0-dev.3",
+    "@typespec/http-client-python": "https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTA0Mjc4My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.13.0.tgz",
     "fs-extra": "~11.2.0"
   },
   "devDependencies": {
@@ -103,4 +103,4 @@
     "chalk": "5.3.0",
     "@types/fs-extra": "11.0.4"
   }
-}
+}
\ No newline at end of file
diff --git a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_client.py b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_client.py
index f17fdc3a1fe..00fdad5a7e1 100644
--- a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_client.py
+++ b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_client.py
@@ -16,11 +16,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import ApiKeyClientConfiguration
-from ._operations import ApiKeyClientOperationsMixin
+from ._operations._operations import _ApiKeyClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class ApiKeyClient(ApiKeyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ApiKeyClient(_ApiKeyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with ApiKey authentication.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_operations/__init__.py b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_operations/__init__.py
index 9e189f9ce2b..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ApiKeyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ApiKeyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_operations/_operations.py b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_operations/_operations.py
index 2eb153c084e..104d8af49e3 100644
--- a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/_operations/_operations.py
@@ -56,7 +56,9 @@ def build_api_key_invalid_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class ApiKeyClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ApiKeyClientConfiguration]):
+class _ApiKeyClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ApiKeyClientConfiguration]
+):
 
     @distributed_trace
     def valid(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
diff --git a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_client.py b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_client.py
index c2f27568d35..606037dfe6b 100644
--- a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_client.py
@@ -17,10 +17,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ApiKeyClientConfiguration
-from ._operations import ApiKeyClientOperationsMixin
+from ._operations._operations import _ApiKeyClientOperationsMixin
 
 
-class ApiKeyClient(ApiKeyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ApiKeyClient(_ApiKeyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with ApiKey authentication.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_operations/__init__.py
index 9e189f9ce2b..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ApiKeyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ApiKeyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_operations/_operations.py
index 96198885bf9..52a900f805b 100644
--- a/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/authentication-api-key/authentication/apikey/aio/_operations/_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ApiKeyClientOperationsMixin(
+class _ApiKeyClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ApiKeyClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_client.py b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_client.py
index e245d57e48b..42b0ce348f0 100644
--- a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_client.py
+++ b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_client.py
@@ -16,11 +16,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import CustomClientConfiguration
-from ._operations import CustomClientOperationsMixin
+from ._operations._operations import _CustomClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class CustomClient(CustomClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class CustomClient(_CustomClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with generic HTTP auth.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_operations/__init__.py b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_operations/__init__.py
index b4f0e41c524..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import CustomClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "CustomClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_operations/_operations.py b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_operations/_operations.py
index 6309a1d7fff..40dd4aa36dd 100644
--- a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/_operations/_operations.py
@@ -56,7 +56,9 @@ def build_custom_invalid_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class CustomClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], CustomClientConfiguration]):
+class _CustomClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], CustomClientConfiguration]
+):
 
     @distributed_trace
     def valid(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
diff --git a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_client.py b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_client.py
index 1b8498f1ae4..1448731fe56 100644
--- a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_client.py
@@ -17,10 +17,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import CustomClientConfiguration
-from ._operations import CustomClientOperationsMixin
+from ._operations._operations import _CustomClientOperationsMixin
 
 
-class CustomClient(CustomClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class CustomClient(_CustomClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with generic HTTP auth.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_operations/__init__.py
index b4f0e41c524..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import CustomClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "CustomClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_operations/_operations.py
index 4953f8d7910..e32db8bfe64 100644
--- a/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/authentication-http-custom/authentication/http/custom/aio/_operations/_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class CustomClientOperationsMixin(
+class _CustomClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], CustomClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_client.py b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_client.py
index a85661a5f2a..8a8d191b5fd 100644
--- a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_client.py
+++ b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_client.py
@@ -15,14 +15,14 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import OAuth2ClientConfiguration
-from ._operations import OAuth2ClientOperationsMixin
+from ._operations._operations import _OAuth2ClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class OAuth2Client(OAuth2ClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class OAuth2Client(_OAuth2ClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with OAuth2 authentication.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_operations/__init__.py b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_operations/__init__.py
index a623b56787b..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import OAuth2ClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "OAuth2ClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_operations/_operations.py b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_operations/_operations.py
index fc748939af5..7d7feb8aeb2 100644
--- a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/_operations/_operations.py
@@ -56,7 +56,9 @@ def build_oauth2_invalid_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class OAuth2ClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], OAuth2ClientConfiguration]):
+class _OAuth2ClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], OAuth2ClientConfiguration]
+):
 
     @distributed_trace
     def valid(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
diff --git a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_client.py b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_client.py
index b83ebed8a29..1b2344201e4 100644
--- a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_client.py
@@ -16,13 +16,13 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import OAuth2ClientConfiguration
-from ._operations import OAuth2ClientOperationsMixin
+from ._operations._operations import _OAuth2ClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class OAuth2Client(OAuth2ClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class OAuth2Client(_OAuth2ClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with OAuth2 authentication.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_operations/__init__.py
index a623b56787b..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import OAuth2ClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "OAuth2ClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_operations/_operations.py
index 4aacb4947a5..27d6cc6dad0 100644
--- a/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/authentication-oauth2/authentication/oauth2/aio/_operations/_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class OAuth2ClientOperationsMixin(
+class _OAuth2ClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], OAuth2ClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_client.py b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_client.py
index 016731ce5c8..03fcc06960c 100644
--- a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_client.py
+++ b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_client.py
@@ -16,14 +16,14 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import UnionClientConfiguration
-from ._operations import UnionClientOperationsMixin
+from ._operations._operations import _UnionClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
     from azure.core.credentials import TokenCredential
 
 
-class UnionClient(UnionClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class UnionClient(_UnionClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with ApiKey and OAuth2 authentication.
 
     :param credential: Credential used to authenticate requests to the service. Is either a key
diff --git a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_operations/__init__.py b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_operations/__init__.py
index 442a1324b51..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import UnionClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "UnionClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_operations/_operations.py b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_operations/_operations.py
index cb679af535d..209472215fd 100644
--- a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/_operations/_operations.py
@@ -46,7 +46,7 @@ def build_union_valid_token_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class UnionClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], UnionClientConfiguration]):
+class _UnionClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], UnionClientConfiguration]):
 
     @distributed_trace
     def valid_key(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
diff --git a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_client.py b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_client.py
index 89a85fa7f4c..70f823cccb0 100644
--- a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_client.py
@@ -17,13 +17,13 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import UnionClientConfiguration
-from ._operations import UnionClientOperationsMixin
+from ._operations._operations import _UnionClientOperationsMixin
 
 if TYPE_CHECKING:
     from azure.core.credentials_async import AsyncTokenCredential
 
 
-class UnionClient(UnionClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class UnionClient(_UnionClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with ApiKey and OAuth2 authentication.
 
     :param credential: Credential used to authenticate requests to the service. Is either a key
diff --git a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_operations/__init__.py
index 442a1324b51..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import UnionClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "UnionClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_operations/_operations.py
index 0dc3e8eb425..17ffa16469e 100644
--- a/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/authentication-union/authentication/union/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class UnionClientOperationsMixin(
+class _UnionClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], UnionClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/_client.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/_client.py
index 2832ddce7e7..7db84fecd85 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/_client.py
@@ -23,17 +23,17 @@
     PathParamClientConfiguration,
 )
 from ._utils.serialization import Deserializer, Serializer
-from .operations import (
-    ChildClientOperations,
-    HeaderParamClientOperationsMixin,
-    MixedParamsClientOperationsMixin,
-    MultipleParamsClientOperationsMixin,
-    ParamAliasClientOperationsMixin,
-    PathParamClientOperationsMixin,
+from .operations import ChildClientOperations
+from .operations._operations import (
+    _HeaderParamClientOperationsMixin,
+    _MixedParamsClientOperationsMixin,
+    _MultipleParamsClientOperationsMixin,
+    _ParamAliasClientOperationsMixin,
+    _PathParamClientOperationsMixin,
 )
 
 
-class HeaderParamClient(HeaderParamClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class HeaderParamClient(_HeaderParamClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Client for testing header parameter moved to client level.
 
     :param name: The name of the client. This parameter is used as a header in all operations.
@@ -109,7 +109,7 @@ def __exit__(self, *exc_details: Any) -> None:
         self._client.__exit__(*exc_details)
 
 
-class MultipleParamsClient(MultipleParamsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MultipleParamsClient(_MultipleParamsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """MultipleParamsClient.
 
     :param name: The name of the client. This parameter is used as a header in all operations.
@@ -188,7 +188,7 @@ def __exit__(self, *exc_details: Any) -> None:
         self._client.__exit__(*exc_details)
 
 
-class MixedParamsClient(MixedParamsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MixedParamsClient(_MixedParamsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """MixedParamsClient.
 
     :param name: The name of the client. This parameter is used as a header in all operations.
@@ -264,7 +264,7 @@ def __exit__(self, *exc_details: Any) -> None:
         self._client.__exit__(*exc_details)
 
 
-class PathParamClient(PathParamClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PathParamClient(_PathParamClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """PathParamClient.
 
     :param blob_name: The name of the blob. This parameter is used as a path parameter in all
@@ -340,7 +340,7 @@ def __exit__(self, *exc_details: Any) -> None:
         self._client.__exit__(*exc_details)
 
 
-class ParamAliasClient(ParamAliasClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ParamAliasClient(_ParamAliasClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """ParamAliasClient.
 
     :param blob_name: Blob name for the client. Required.
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/_client.py
index 68506fe1bb9..c1b2cd99867 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/_client.py
@@ -23,17 +23,17 @@
     ParentClientConfiguration,
     PathParamClientConfiguration,
 )
-from .operations import (
-    ChildClientOperations,
-    HeaderParamClientOperationsMixin,
-    MixedParamsClientOperationsMixin,
-    MultipleParamsClientOperationsMixin,
-    ParamAliasClientOperationsMixin,
-    PathParamClientOperationsMixin,
+from .operations import ChildClientOperations
+from .operations._operations import (
+    _HeaderParamClientOperationsMixin,
+    _MixedParamsClientOperationsMixin,
+    _MultipleParamsClientOperationsMixin,
+    _ParamAliasClientOperationsMixin,
+    _PathParamClientOperationsMixin,
 )
 
 
-class HeaderParamClient(HeaderParamClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class HeaderParamClient(_HeaderParamClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Client for testing header parameter moved to client level.
 
     :param name: The name of the client. This parameter is used as a header in all operations.
@@ -111,7 +111,7 @@ async def __aexit__(self, *exc_details: Any) -> None:
         await self._client.__aexit__(*exc_details)
 
 
-class MultipleParamsClient(MultipleParamsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MultipleParamsClient(_MultipleParamsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """MultipleParamsClient.
 
     :param name: The name of the client. This parameter is used as a header in all operations.
@@ -192,7 +192,7 @@ async def __aexit__(self, *exc_details: Any) -> None:
         await self._client.__aexit__(*exc_details)
 
 
-class MixedParamsClient(MixedParamsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MixedParamsClient(_MixedParamsClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """MixedParamsClient.
 
     :param name: The name of the client. This parameter is used as a header in all operations.
@@ -270,7 +270,7 @@ async def __aexit__(self, *exc_details: Any) -> None:
         await self._client.__aexit__(*exc_details)
 
 
-class PathParamClient(PathParamClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PathParamClient(_PathParamClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """PathParamClient.
 
     :param blob_name: The name of the blob. This parameter is used as a path parameter in all
@@ -348,7 +348,7 @@ async def __aexit__(self, *exc_details: Any) -> None:
         await self._client.__aexit__(*exc_details)
 
 
-class ParamAliasClient(ParamAliasClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ParamAliasClient(_ParamAliasClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """ParamAliasClient.
 
     :param blob_name: Blob name for the client. Required.
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/operations/__init__.py
index a6485df5ad0..6000174f8be 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/operations/__init__.py
@@ -12,11 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import HeaderParamClientOperationsMixin  # type: ignore
-from ._operations import MultipleParamsClientOperationsMixin  # type: ignore
-from ._operations import MixedParamsClientOperationsMixin  # type: ignore
-from ._operations import PathParamClientOperationsMixin  # type: ignore
-from ._operations import ParamAliasClientOperationsMixin  # type: ignore
 from ._operations import ChildClientOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -24,11 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "HeaderParamClientOperationsMixin",
-    "MultipleParamsClientOperationsMixin",
-    "MixedParamsClientOperationsMixin",
-    "PathParamClientOperationsMixin",
-    "ParamAliasClientOperationsMixin",
     "ChildClientOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/operations/_operations.py
index 6ce06291f84..7e51c12d981 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/aio/operations/_operations.py
@@ -61,7 +61,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class HeaderParamClientOperationsMixin(
+class _HeaderParamClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], HeaderParamClientConfiguration]
 ):
 
@@ -214,7 +214,7 @@ async def with_body(self, body: Union[_models.Input, JSON, IO[bytes]], **kwargs:
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class MultipleParamsClientOperationsMixin(
+class _MultipleParamsClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultipleParamsClientConfiguration]
 ):
 
@@ -369,7 +369,7 @@ async def with_body(self, body: Union[_models.Input, JSON, IO[bytes]], **kwargs:
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class MixedParamsClientOperationsMixin(
+class _MixedParamsClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MixedParamsClientConfiguration]
 ):
 
@@ -542,7 +542,7 @@ async def with_body(
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class PathParamClientOperationsMixin(
+class _PathParamClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], PathParamClientConfiguration]
 ):
 
@@ -697,7 +697,7 @@ async def delete_standalone(self, **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class ParamAliasClientOperationsMixin(
+class _ParamAliasClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ParamAliasClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/operations/__init__.py
index a6485df5ad0..6000174f8be 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/operations/__init__.py
@@ -12,11 +12,6 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import HeaderParamClientOperationsMixin  # type: ignore
-from ._operations import MultipleParamsClientOperationsMixin  # type: ignore
-from ._operations import MixedParamsClientOperationsMixin  # type: ignore
-from ._operations import PathParamClientOperationsMixin  # type: ignore
-from ._operations import ParamAliasClientOperationsMixin  # type: ignore
 from ._operations import ChildClientOperations  # type: ignore
 
 from ._patch import __all__ as _patch_all
@@ -24,11 +19,6 @@
 from ._patch import patch_sdk as _patch_sdk
 
 __all__ = [
-    "HeaderParamClientOperationsMixin",
-    "MultipleParamsClientOperationsMixin",
-    "MixedParamsClientOperationsMixin",
-    "PathParamClientOperationsMixin",
-    "ParamAliasClientOperationsMixin",
     "ChildClientOperations",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/operations/_operations.py
index db54a9e9595..d70826a50a5 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-initialization/specs/azure/clientgenerator/core/clientinitialization/operations/_operations.py
@@ -285,7 +285,7 @@ def build_child_client_delete_standalone_request(  # pylint: disable=name-too-lo
     return HttpRequest(method="DELETE", url=_url, **kwargs)
 
 
-class HeaderParamClientOperationsMixin(
+class _HeaderParamClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], HeaderParamClientConfiguration]
 ):
 
@@ -440,7 +440,7 @@ def with_body(  # pylint: disable=inconsistent-return-statements
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class MultipleParamsClientOperationsMixin(
+class _MultipleParamsClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultipleParamsClientConfiguration]
 ):
 
@@ -597,7 +597,7 @@ def with_body(  # pylint: disable=inconsistent-return-statements
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class MixedParamsClientOperationsMixin(
+class _MixedParamsClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MixedParamsClientConfiguration]
 ):
 
@@ -768,7 +768,7 @@ def with_body(  # pylint: disable=inconsistent-return-statements
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class PathParamClientOperationsMixin(
+class _PathParamClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], PathParamClientConfiguration]
 ):
 
@@ -925,7 +925,7 @@ def delete_standalone(self, **kwargs: Any) -> None:  # pylint: disable=inconsist
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class ParamAliasClientOperationsMixin(
+class _ParamAliasClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ParamAliasClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/_client.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/_client.py
index ba5997b5921..b224221c0fe 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/_client.py
@@ -18,14 +18,14 @@
 from ._utils.serialization import Deserializer, Serializer
 from .operations import (
     ArchiveOperationsOperations,
-    ClientLocationClientOperationsMixin,
     MoveToExistingSubClientOperations,
     MoveToNewSubClientOperations,
     MoveToRootClientOperations,
 )
+from .operations._operations import _ClientLocationClientOperationsMixin
 
 
-class ClientLocationClient(ClientLocationClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientLocationClient(_ClientLocationClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for @clientLocation decorator - moving operations between clients.
 
     :ivar move_to_existing_sub_client: MoveToExistingSubClientOperations operations
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/_client.py
index 1c74ec3b745..719b32b9569 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/_client.py
@@ -18,14 +18,14 @@
 from ._configuration import ClientLocationClientConfiguration
 from .operations import (
     ArchiveOperationsOperations,
-    ClientLocationClientOperationsMixin,
     MoveToExistingSubClientOperations,
     MoveToNewSubClientOperations,
     MoveToRootClientOperations,
 )
+from .operations._operations import _ClientLocationClientOperationsMixin
 
 
-class ClientLocationClient(ClientLocationClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientLocationClient(_ClientLocationClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for @clientLocation decorator - moving operations between clients.
 
     :ivar move_to_existing_sub_client: MoveToExistingSubClientOperations operations
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/operations/__init__.py
index f7d2ad4d153..3f232bf3c71 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/operations/__init__.py
@@ -16,7 +16,6 @@
 from ._operations import MoveToNewSubClientOperations  # type: ignore
 from ._operations import MoveToRootClientOperations  # type: ignore
 from ._operations import ArchiveOperationsOperations  # type: ignore
-from ._operations import ClientLocationClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -27,7 +26,6 @@
     "MoveToNewSubClientOperations",
     "MoveToRootClientOperations",
     "ArchiveOperationsOperations",
-    "ClientLocationClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/operations/_operations.py
index a15770bdce3..904b076c51d 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/aio/operations/_operations.py
@@ -170,7 +170,7 @@ async def archive_product(self, **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class ClientLocationClientOperationsMixin(
+class _ClientLocationClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ClientLocationClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/operations/__init__.py
index f7d2ad4d153..3f232bf3c71 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/operations/__init__.py
@@ -16,7 +16,6 @@
 from ._operations import MoveToNewSubClientOperations  # type: ignore
 from ._operations import MoveToRootClientOperations  # type: ignore
 from ._operations import ArchiveOperationsOperations  # type: ignore
-from ._operations import ClientLocationClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -27,7 +26,6 @@
     "MoveToNewSubClientOperations",
     "MoveToRootClientOperations",
     "ArchiveOperationsOperations",
-    "ClientLocationClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/operations/_operations.py
index d195e52d5c4..84e5c9c5035 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-client-location/specs/azure/clientgenerator/core/clientlocation/operations/_operations.py
@@ -222,7 +222,7 @@ def archive_product(self, **kwargs: Any) -> None:  # pylint: disable=inconsisten
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class ClientLocationClientOperationsMixin(
+class _ClientLocationClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ClientLocationClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_client.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_client.py
index 2cea39a833e..0441f034e87 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import DeserializeEmptyStringAsNullClientConfiguration
-from ._operations import DeserializeEmptyStringAsNullClientOperationsMixin
+from ._operations._operations import _DeserializeEmptyStringAsNullClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class DeserializeEmptyStringAsNullClient(
-    DeserializeEmptyStringAsNullClientOperationsMixin
+    _DeserializeEmptyStringAsNullClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test decorator @deserializeEmptyStringAsNull.
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_operations/__init__.py
index fcaffe59b59..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DeserializeEmptyStringAsNullClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DeserializeEmptyStringAsNullClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_operations/_operations.py
index 018e5ebd858..178d5042c62 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/_operations/_operations.py
@@ -51,7 +51,7 @@ def build_deserialize_empty_string_as_null_get_request(**kwargs: Any) -> HttpReq
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class DeserializeEmptyStringAsNullClientOperationsMixin(  # pylint: disable=name-too-long
+class _DeserializeEmptyStringAsNullClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], DeserializeEmptyStringAsNullClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_client.py
index 5941c6c3027..13ee3e68f45 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import DeserializeEmptyStringAsNullClientConfiguration
-from ._operations import DeserializeEmptyStringAsNullClientOperationsMixin
+from ._operations._operations import _DeserializeEmptyStringAsNullClientOperationsMixin
 
 
 class DeserializeEmptyStringAsNullClient(
-    DeserializeEmptyStringAsNullClientOperationsMixin
+    _DeserializeEmptyStringAsNullClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test decorator @deserializeEmptyStringAsNull.
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_operations/__init__.py
index fcaffe59b59..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DeserializeEmptyStringAsNullClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DeserializeEmptyStringAsNullClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_operations/_operations.py
index 74d5d049e36..f7e5bd7d3ab 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-deserialize-empty-string-as-null/specs/azure/clientgenerator/core/emptystring/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class DeserializeEmptyStringAsNullClientOperationsMixin(  # pylint: disable=name-too-long
+class _DeserializeEmptyStringAsNullClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], DeserializeEmptyStringAsNullClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_client.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_client.py
index 08683b15615..56b7a3896b6 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_client.py
@@ -15,11 +15,13 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import FlattenPropertyClientConfiguration
-from ._operations import FlattenPropertyClientOperationsMixin
+from ._operations._operations import _FlattenPropertyClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class FlattenPropertyClient(FlattenPropertyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class FlattenPropertyClient(
+    _FlattenPropertyClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates the model flatten cases.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_operations/__init__.py
index 8faee47ec45..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import FlattenPropertyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "FlattenPropertyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_operations/_operations.py
index c11c916d4e1..3d64d25c587 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/_operations/_operations.py
@@ -76,7 +76,7 @@ def build_flatten_property_put_nested_flatten_model_request(  # pylint: disable=
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class FlattenPropertyClientOperationsMixin(
+class _FlattenPropertyClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], FlattenPropertyClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_client.py
index d6d5e6a62a4..22a33ee931f 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_client.py
@@ -16,10 +16,12 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import FlattenPropertyClientConfiguration
-from ._operations import FlattenPropertyClientOperationsMixin
+from ._operations._operations import _FlattenPropertyClientOperationsMixin
 
 
-class FlattenPropertyClient(FlattenPropertyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class FlattenPropertyClient(
+    _FlattenPropertyClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates the model flatten cases.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_operations/__init__.py
index 8faee47ec45..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import FlattenPropertyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "FlattenPropertyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_operations/_operations.py
index b74f12b5652..807af385ca6 100644
--- a/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-client-generator-core-flatten-property/specs/azure/clientgenerator/core/flattenproperty/aio/_operations/_operations.py
@@ -41,7 +41,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class FlattenPropertyClientOperationsMixin(
+class _FlattenPropertyClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], FlattenPropertyClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_client.py b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_client.py
index a2b73b77e3d..531aba6ef7c 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import BasicClientConfiguration
-from ._operations import BasicClientOperationsMixin
+from ._operations._operations import _BasicClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class BasicClient(BasicClientOperationsMixin):
+class BasicClient(_BasicClientOperationsMixin):
     """Illustrates bodies templated with Azure Core.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_operations/__init__.py
index a3071a1a917..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import BasicClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "BasicClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_operations/_operations.py
index 2d49261e418..08efd4facb9 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/_operations/_operations.py
@@ -232,7 +232,7 @@ def build_basic_export_all_users_request(*, format: str, **kwargs: Any) -> HttpR
     return HttpRequest(method="POST", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class BasicClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], BasicClientConfiguration]):
+class _BasicClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], BasicClientConfiguration]):
 
     @overload
     def create_or_update(
diff --git a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_client.py
index 4b1915f1edd..6d83e457508 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import BasicClientConfiguration
-from ._operations import BasicClientOperationsMixin
+from ._operations._operations import _BasicClientOperationsMixin
 
 
-class BasicClient(BasicClientOperationsMixin):
+class BasicClient(_BasicClientOperationsMixin):
     """Illustrates bodies templated with Azure Core.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_operations/__init__.py
index a3071a1a917..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import BasicClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "BasicClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_operations/_operations.py
index f8e7cc49115..6aa50d25604 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-basic/specs/azure/core/basic/aio/_operations/_operations.py
@@ -49,7 +49,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class BasicClientOperationsMixin(
+class _BasicClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], BasicClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_client.py b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_client.py
index 7afdf2069bb..14689e9937a 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import RpcClientConfiguration
-from ._operations import RpcClientOperationsMixin
+from ._operations._operations import _RpcClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class RpcClient(RpcClientOperationsMixin):
+class RpcClient(_RpcClientOperationsMixin):
     """Illustrates bodies templated with Azure Core with long-running RPC operation.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_operations/__init__.py
index 8f65c4838e5..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RpcClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RpcClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_operations/_operations.py
index 87e230d9a34..2973289d28f 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/_operations/_operations.py
@@ -64,7 +64,7 @@ def build_rpc_long_running_rpc_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class RpcClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RpcClientConfiguration]):
+class _RpcClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RpcClientConfiguration]):
 
     def _long_running_rpc_initial(
         self, body: Union[_models.GenerationOptions, JSON, IO[bytes]], **kwargs: Any
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_client.py
index e8c1ff14f39..7c8947df5a8 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RpcClientConfiguration
-from ._operations import RpcClientOperationsMixin
+from ._operations._operations import _RpcClientOperationsMixin
 
 
-class RpcClient(RpcClientOperationsMixin):
+class RpcClient(_RpcClientOperationsMixin):
     """Illustrates bodies templated with Azure Core with long-running RPC operation.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_operations/__init__.py
index 8f65c4838e5..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RpcClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RpcClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_operations/_operations.py
index 4d7fee90d3b..9606b71f2f4 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-rpc/specs/azure/core/lro/rpc/aio/_operations/_operations.py
@@ -40,7 +40,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class RpcClientOperationsMixin(
+class _RpcClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RpcClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_client.py b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_client.py
index 94247511a2f..8d424d83975 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import StandardClientConfiguration
-from ._operations import StandardClientOperationsMixin
+from ._operations._operations import _StandardClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class StandardClient(StandardClientOperationsMixin):
+class StandardClient(_StandardClientOperationsMixin):
     """Illustrates bodies templated with Azure Core with long-running operation.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_operations/__init__.py
index 400e221b32f..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import StandardClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "StandardClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_operations/_operations.py
index b13028e03ab..7e119a5ee79 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/_operations/_operations.py
@@ -118,7 +118,7 @@ def build_standard_export_request(name: str, *, format: str, **kwargs: Any) -> H
     return HttpRequest(method="POST", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class StandardClientOperationsMixin(
+class _StandardClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], StandardClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_client.py
index 3504703940e..624a4597952 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import StandardClientConfiguration
-from ._operations import StandardClientOperationsMixin
+from ._operations._operations import _StandardClientOperationsMixin
 
 
-class StandardClient(StandardClientOperationsMixin):
+class StandardClient(_StandardClientOperationsMixin):
     """Illustrates bodies templated with Azure Core with long-running operation.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_operations/__init__.py
index 400e221b32f..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import StandardClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "StandardClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_operations/_operations.py
index 0c0dd2bac95..d613bef67d7 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-lro-standard/specs/azure/core/lro/standard/aio/_operations/_operations.py
@@ -44,7 +44,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class StandardClientOperationsMixin(
+class _StandardClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], StandardClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/_client.py b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/_client.py
index 40dafce202d..f9f2be7d8bc 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/_client.py
@@ -16,10 +16,11 @@
 
 from ._configuration import PageClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import PageClientOperationsMixin, TwoModelsAsPageItemOperations
+from .operations import TwoModelsAsPageItemOperations
+from .operations._operations import _PageClientOperationsMixin
 
 
-class PageClient(PageClientOperationsMixin):
+class PageClient(_PageClientOperationsMixin):
     """Illustrates bodies templated with Azure Core with paging support.
 
     :ivar two_models_as_page_item: TwoModelsAsPageItemOperations operations
diff --git a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/_client.py
index c4cf50e607a..b83c77be8c6 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/_client.py
@@ -16,10 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import PageClientConfiguration
-from .operations import PageClientOperationsMixin, TwoModelsAsPageItemOperations
+from .operations import TwoModelsAsPageItemOperations
+from .operations._operations import _PageClientOperationsMixin
 
 
-class PageClient(PageClientOperationsMixin):
+class PageClient(_PageClientOperationsMixin):
     """Illustrates bodies templated with Azure Core with paging support.
 
     :ivar two_models_as_page_item: TwoModelsAsPageItemOperations operations
diff --git a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/operations/__init__.py
index 0f0c4c629d8..dcf114b751f 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import TwoModelsAsPageItemOperations  # type: ignore
-from ._operations import PageClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "TwoModelsAsPageItemOperations",
-    "PageClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/operations/_operations.py
index 67e987e8210..db94b11adec 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/aio/operations/_operations.py
@@ -230,7 +230,7 @@ async def get_next(next_link=None):
         return AsyncItemPaged(get_next, extract_data)
 
 
-class PageClientOperationsMixin(
+class _PageClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], PageClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/operations/__init__.py
index 0f0c4c629d8..dcf114b751f 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import TwoModelsAsPageItemOperations  # type: ignore
-from ._operations import PageClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "TwoModelsAsPageItemOperations",
-    "PageClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/operations/_operations.py
index d43e02f6b05..42d55a6e901 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-page/specs/azure/core/page/operations/_operations.py
@@ -352,7 +352,7 @@ def get_next(next_link=None):
         return ItemPaged(get_next, extract_data)
 
 
-class PageClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], PageClientConfiguration]):
+class _PageClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], PageClientConfiguration]):
 
     @distributed_trace
     def list_with_page(self, **kwargs: Any) -> ItemPaged["_models.User"]:
diff --git a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_client.py b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_client.py
index 0c70e760dd5..9b1c6179855 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import TraitsClientConfiguration
-from ._operations import TraitsClientOperationsMixin
+from ._operations._operations import _TraitsClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class TraitsClient(TraitsClientOperationsMixin):
+class TraitsClient(_TraitsClientOperationsMixin):
     """Illustrates Azure Core operation customizations by traits.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_operations/__init__.py
index 1f3894b149d..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import TraitsClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "TraitsClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_operations/_operations.py
index 4c257362191..d3bc4cd47f1 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/_operations/_operations.py
@@ -120,7 +120,9 @@ def build_traits_repeatable_action_request(id: int, **kwargs: Any) -> HttpReques
     return HttpRequest(method="POST", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class TraitsClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], TraitsClientConfiguration]):
+class _TraitsClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], TraitsClientConfiguration]
+):
 
     @distributed_trace
     def smoke_test(
diff --git a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_client.py
index c8ede062dea..24a24740b13 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import TraitsClientConfiguration
-from ._operations import TraitsClientOperationsMixin
+from ._operations._operations import _TraitsClientOperationsMixin
 
 
-class TraitsClient(TraitsClientOperationsMixin):
+class TraitsClient(_TraitsClientOperationsMixin):
     """Illustrates Azure Core operation customizations by traits.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_operations/__init__.py
index 1f3894b149d..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import TraitsClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "TraitsClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_operations/_operations.py
index 9e56ea4d957..8127d7527ec 100644
--- a/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-core-traits/specs/azure/core/traits/aio/_operations/_operations.py
@@ -40,7 +40,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class TraitsClientOperationsMixin(
+class _TraitsClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], TraitsClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_client.py b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_client.py
index 88e245f345b..ece43a4d99d 100644
--- a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import DurationClientConfiguration
-from ._operations import DurationClientOperationsMixin
+from ._operations._operations import _DurationClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class DurationClient(DurationClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class DurationClient(_DurationClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for azure related encode decorator.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_operations/__init__.py
index 84eb3d779ef..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DurationClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DurationClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_operations/_operations.py
index a0fc7fa14ae..bcc68dd66dd 100644
--- a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/_operations/_operations.py
@@ -52,7 +52,7 @@ def build_duration_duration_constant_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class DurationClientOperationsMixin(
+class _DurationClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], DurationClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_client.py
index 137338dd2f9..14133537a16 100644
--- a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import DurationClientConfiguration
-from ._operations import DurationClientOperationsMixin
+from ._operations._operations import _DurationClientOperationsMixin
 
 
-class DurationClient(DurationClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class DurationClient(_DurationClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for azure related encode decorator.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_operations/__init__.py
index 84eb3d779ef..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import DurationClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "DurationClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_operations/_operations.py
index 925f7416931..ed21a474afa 100644
--- a/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-encode-duration/specs/azure/encode/duration/aio/_operations/_operations.py
@@ -36,7 +36,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class DurationClientOperationsMixin(
+class _DurationClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], DurationClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_client.py b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_client.py
index 8647df8b95f..2c556bbd9b2 100644
--- a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import AzureExampleClientConfiguration
-from ._operations import AzureExampleClientOperationsMixin
+from ._operations._operations import _AzureExampleClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class AzureExampleClient(AzureExampleClientOperationsMixin):
+class AzureExampleClient(_AzureExampleClientOperationsMixin):
     """AzureExampleClient.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_operations/__init__.py
index b876e7a1cf6..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AzureExampleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AzureExampleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_operations/_operations.py
index d2afc7df3e8..394701fc472 100644
--- a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/_operations/_operations.py
@@ -64,7 +64,7 @@ def build_azure_example_basic_action_request(*, query_param: str, header_param:
     return HttpRequest(method="POST", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class AzureExampleClientOperationsMixin(
+class _AzureExampleClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AzureExampleClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_client.py
index 3eb7fcac632..b8f522aca9e 100644
--- a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AzureExampleClientConfiguration
-from ._operations import AzureExampleClientOperationsMixin
+from ._operations._operations import _AzureExampleClientOperationsMixin
 
 
-class AzureExampleClient(AzureExampleClientOperationsMixin):
+class AzureExampleClient(_AzureExampleClientOperationsMixin):
     """AzureExampleClient.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_operations/__init__.py
index b876e7a1cf6..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import AzureExampleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "AzureExampleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_operations/_operations.py
index 0a5fd454f49..8fdbee56d25 100644
--- a/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-example-basic/specs/azure/example/basic/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class AzureExampleClientOperationsMixin(
+class _AzureExampleClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AzureExampleClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_client.py b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_client.py
index 21056cb4fe6..023d5b2ef30 100644
--- a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import PageableClientConfiguration
-from ._operations import PageableClientOperationsMixin
+from ._operations._operations import _PageableClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class PageableClient(PageableClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PageableClient(_PageableClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test describing pageable.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_operations/__init__.py
index 4f442d8458b..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import PageableClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "PageableClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_operations/_operations.py
index 1e8fa735eb6..f14b26c8a41 100644
--- a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/_operations/_operations.py
@@ -56,7 +56,7 @@ def build_pageable_list_request(*, maxpagesize: Optional[int] = None, **kwargs:
     return HttpRequest(method="GET", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class PageableClientOperationsMixin(
+class _PageableClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], PageableClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_client.py
index 915694fa0a0..6a54b32dd58 100644
--- a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import PageableClientConfiguration
-from ._operations import PageableClientOperationsMixin
+from ._operations._operations import _PageableClientOperationsMixin
 
 
-class PageableClient(PageableClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PageableClient(_PageableClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test describing pageable.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_operations/__init__.py
index 4f442d8458b..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import PageableClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "PageableClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_operations/_operations.py
index b8bb19d7a6f..9ae6059b97a 100644
--- a/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-payload-pageable/specs/azure/payload/pageable/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class PageableClientOperationsMixin(
+class _PageableClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], PageableClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_client.py b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_client.py
index b8432d7ec75..4823e1d2525 100644
--- a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import XmsClientRequestIdClientConfiguration
-from ._operations import XmsClientRequestIdClientOperationsMixin
+from ._operations._operations import _XmsClientRequestIdClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class XmsClientRequestIdClient(
-    XmsClientRequestIdClientOperationsMixin
+    _XmsClientRequestIdClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Azure client request id header configurations.
 
diff --git a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_operations/__init__.py
index 28139ec189e..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import XmsClientRequestIdClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "XmsClientRequestIdClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_operations/_operations.py
index 1fdba8fd878..b3babd01b62 100644
--- a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/_operations/_operations.py
@@ -44,7 +44,7 @@ def build_xms_client_request_id_get_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class XmsClientRequestIdClientOperationsMixin(
+class _XmsClientRequestIdClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], XmsClientRequestIdClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_client.py b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_client.py
index 2f5d6c204f9..6aa9286ce91 100644
--- a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import XmsClientRequestIdClientConfiguration
-from ._operations import XmsClientRequestIdClientOperationsMixin
+from ._operations._operations import _XmsClientRequestIdClientOperationsMixin
 
 
 class XmsClientRequestIdClient(
-    XmsClientRequestIdClientOperationsMixin
+    _XmsClientRequestIdClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Azure client request id header configurations.
 
diff --git a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_operations/__init__.py
index 28139ec189e..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import XmsClientRequestIdClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "XmsClientRequestIdClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_operations/_operations.py
index 1d823aa4649..61f2ba0ae83 100644
--- a/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/azure-special-headers-client-request-id/azure/specialheaders/xmsclientrequestid/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class XmsClientRequestIdClientOperationsMixin(
+class _XmsClientRequestIdClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], XmsClientRequestIdClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_client.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_client.py
index 606077ae3be..bfb80c07d61 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import ClientNamespaceFirstClientConfiguration
-from ._operations import ClientNamespaceFirstClientOperationsMixin
+from ._operations._operations import _ClientNamespaceFirstClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class ClientNamespaceFirstClient(
-    ClientNamespaceFirstClientOperationsMixin
+    _ClientNamespaceFirstClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """ClientNamespaceFirstClient.
 
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_operations/__init__.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_operations/__init__.py
index 8d6b8b1bbc1..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ClientNamespaceFirstClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientNamespaceFirstClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_operations/_operations.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_operations/_operations.py
index 6a560bbc8a8..0b6a5ce619c 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/_operations/_operations.py
@@ -51,7 +51,7 @@ def build_client_namespace_first_get_first_request(**kwargs: Any) -> HttpRequest
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class ClientNamespaceFirstClientOperationsMixin(  # pylint: disable=name-too-long
+class _ClientNamespaceFirstClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ClientNamespaceFirstClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_client.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_client.py
index 49830c68cf9..46eb766121e 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ClientNamespaceFirstClientConfiguration
-from ._operations import ClientNamespaceFirstClientOperationsMixin
+from ._operations._operations import _ClientNamespaceFirstClientOperationsMixin
 
 
 class ClientNamespaceFirstClient(
-    ClientNamespaceFirstClientOperationsMixin
+    _ClientNamespaceFirstClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """ClientNamespaceFirstClient.
 
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_operations/__init__.py
index 8d6b8b1bbc1..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ClientNamespaceFirstClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientNamespaceFirstClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_operations/_operations.py
index f253a569a01..d8f8c6e474e 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ClientNamespaceFirstClientOperationsMixin(  # pylint: disable=name-too-long
+class _ClientNamespaceFirstClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ClientNamespaceFirstClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_client.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_client.py
index b57d5f40015..66234c859e5 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ClientNamespaceSecondClientConfiguration
-from ._operations import ClientNamespaceSecondClientOperationsMixin
+from ._operations._operations import _ClientNamespaceSecondClientOperationsMixin
 
 
 class ClientNamespaceSecondClient(
-    ClientNamespaceSecondClientOperationsMixin
+    _ClientNamespaceSecondClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """ClientNamespaceSecondClient.
 
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_operations/__init__.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_operations/__init__.py
index 84100277fd2..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ClientNamespaceSecondClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientNamespaceSecondClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_operations/_operations.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_operations/_operations.py
index 10fb54afac3..354b8d1b7a2 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/_operations/_operations.py
@@ -51,7 +51,7 @@ def build_client_namespace_second_get_second_request(**kwargs: Any) -> HttpReque
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class ClientNamespaceSecondClientOperationsMixin(  # pylint: disable=name-too-long
+class _ClientNamespaceSecondClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ClientNamespaceSecondClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_client.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_client.py
index 5614b01c366..f353356a14b 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_client.py
@@ -16,11 +16,11 @@
 
 from ..._utils.serialization import Deserializer, Serializer
 from ._configuration import ClientNamespaceSecondClientConfiguration
-from ._operations import ClientNamespaceSecondClientOperationsMixin
+from ._operations._operations import _ClientNamespaceSecondClientOperationsMixin
 
 
 class ClientNamespaceSecondClient(
-    ClientNamespaceSecondClientOperationsMixin
+    _ClientNamespaceSecondClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """ClientNamespaceSecondClient.
 
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_operations/__init__.py
index 84100277fd2..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ClientNamespaceSecondClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientNamespaceSecondClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_operations/_operations.py
index 30acf21e226..06548cdaf0b 100644
--- a/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-namespace/client/clientnamespace/second/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ClientNamespaceSecondClientOperationsMixin(  # pylint: disable=name-too-long
+class _ClientNamespaceSecondClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ClientNamespaceSecondClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-naming/client/naming/_client.py b/packages/typespec-python/test/azure/generated/client-naming/client/naming/_client.py
index 635a2e81a56..8c609dfb321 100644
--- a/packages/typespec-python/test/azure/generated/client-naming/client/naming/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-naming/client/naming/_client.py
@@ -16,10 +16,11 @@
 
 from ._configuration import NamingClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import ClientModelOperations, NamingClientOperationsMixin, UnionEnumOperations
+from .operations import ClientModelOperations, UnionEnumOperations
+from .operations._operations import _NamingClientOperationsMixin
 
 
-class NamingClient(NamingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NamingClient(_NamingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Describe changing names of types in a client with ``@clientName``.
 
     :ivar client_model: ClientModelOperations operations
diff --git a/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/_client.py b/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/_client.py
index fb429f873f2..2ed1be4131f 100644
--- a/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/_client.py
@@ -16,10 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import NamingClientConfiguration
-from .operations import ClientModelOperations, NamingClientOperationsMixin, UnionEnumOperations
+from .operations import ClientModelOperations, UnionEnumOperations
+from .operations._operations import _NamingClientOperationsMixin
 
 
-class NamingClient(NamingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NamingClient(_NamingClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Describe changing names of types in a client with ``@clientName``.
 
     :ivar client_model: ClientModelOperations operations
diff --git a/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/operations/__init__.py b/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/operations/__init__.py
index 82100c3183f..3fd9a130965 100644
--- a/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/operations/__init__.py
@@ -14,7 +14,6 @@
 
 from ._operations import ClientModelOperations  # type: ignore
 from ._operations import UnionEnumOperations  # type: ignore
-from ._operations import NamingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -23,7 +22,6 @@
 __all__ = [
     "ClientModelOperations",
     "UnionEnumOperations",
-    "NamingClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/operations/_operations.py b/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/operations/_operations.py
index 3b7767744ab..c504e7294cf 100644
--- a/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-naming/client/naming/aio/operations/_operations.py
@@ -385,7 +385,7 @@ async def union_enum_member_name(self, body: Union[str, _models.ExtensibleEnum],
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class NamingClientOperationsMixin(
+class _NamingClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], NamingClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-naming/client/naming/operations/__init__.py b/packages/typespec-python/test/azure/generated/client-naming/client/naming/operations/__init__.py
index 82100c3183f..3fd9a130965 100644
--- a/packages/typespec-python/test/azure/generated/client-naming/client/naming/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-naming/client/naming/operations/__init__.py
@@ -14,7 +14,6 @@
 
 from ._operations import ClientModelOperations  # type: ignore
 from ._operations import UnionEnumOperations  # type: ignore
-from ._operations import NamingClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -23,7 +22,6 @@
 __all__ = [
     "ClientModelOperations",
     "UnionEnumOperations",
-    "NamingClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-naming/client/naming/operations/_operations.py b/packages/typespec-python/test/azure/generated/client-naming/client/naming/operations/_operations.py
index 3416dc08620..eb41fd88a56 100644
--- a/packages/typespec-python/test/azure/generated/client-naming/client/naming/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-naming/client/naming/operations/_operations.py
@@ -515,7 +515,9 @@ def union_enum_member_name(  # pylint: disable=inconsistent-return-statements
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class NamingClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NamingClientConfiguration]):
+class _NamingClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NamingClientConfiguration]
+):
 
     @distributed_trace
     def client_name(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
diff --git a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/_client.py b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/_client.py
index ad8b8c083fe..e2402769be1 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/_client.py
@@ -17,10 +17,11 @@
 from . import models as _models
 from ._configuration import ServiceClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import BarOperations, BazOperations, FooOperations, QuxOperations, ServiceClientOperationsMixin
+from .operations import BarOperations, BazOperations, FooOperations, QuxOperations
+from .operations._operations import _ServiceClientOperationsMixin
 
 
-class ServiceClient(ServiceClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ServiceClient(_ServiceClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test that we can use @client and @operationGroup decorators to customize client side code
     structure, such as:
 
diff --git a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/_client.py b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/_client.py
index a9d48c2d9c4..2380d8df954 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/_client.py
@@ -17,10 +17,11 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ServiceClientConfiguration
-from .operations import BarOperations, BazOperations, FooOperations, QuxOperations, ServiceClientOperationsMixin
+from .operations import BarOperations, BazOperations, FooOperations, QuxOperations
+from .operations._operations import _ServiceClientOperationsMixin
 
 
-class ServiceClient(ServiceClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ServiceClient(_ServiceClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test that we can use @client and @operationGroup decorators to customize client side code
     structure, such as:
 
diff --git a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/operations/__init__.py b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/operations/__init__.py
index 3560145a703..4ef3abc5ecd 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/operations/__init__.py
@@ -16,7 +16,6 @@
 from ._operations import QuxOperations  # type: ignore
 from ._operations import FooOperations  # type: ignore
 from ._operations import BarOperations  # type: ignore
-from ._operations import ServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -27,7 +26,6 @@
     "QuxOperations",
     "FooOperations",
     "BarOperations",
-    "ServiceClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/operations/_operations.py b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/operations/_operations.py
index 13ccfd4062b..a74585eba44 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/aio/operations/_operations.py
@@ -342,7 +342,7 @@ async def six(self, **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class ServiceClientOperationsMixin(
+class _ServiceClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ServiceClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/operations/__init__.py b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/operations/__init__.py
index 3560145a703..4ef3abc5ecd 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/operations/__init__.py
@@ -16,7 +16,6 @@
 from ._operations import QuxOperations  # type: ignore
 from ._operations import FooOperations  # type: ignore
 from ._operations import BarOperations  # type: ignore
-from ._operations import ServiceClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -27,7 +26,6 @@
     "QuxOperations",
     "FooOperations",
     "BarOperations",
-    "ServiceClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/operations/_operations.py b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/operations/_operations.py
index c0d524be887..20382089935 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-default/client/structure/service/operations/_operations.py
@@ -396,7 +396,7 @@ def six(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-sta
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class ServiceClientOperationsMixin(
+class _ServiceClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ServiceClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_client.py b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_client.py
index 578d909d635..05a96e65484 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_client.py
@@ -16,11 +16,11 @@
 
 from . import models as _models
 from ._configuration import ClientAClientConfiguration, ClientBClientConfiguration
-from ._operations import ClientAClientOperationsMixin, ClientBClientOperationsMixin
+from ._operations._operations import _ClientAClientOperationsMixin, _ClientBClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class ClientAClient(ClientAClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientAClient(_ClientAClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """ClientAClient.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
@@ -99,7 +99,7 @@ def __exit__(self, *exc_details: Any) -> None:
         self._client.__exit__(*exc_details)
 
 
-class ClientBClient(ClientBClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientBClient(_ClientBClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """ClientBClient.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_operations/__init__.py b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_operations/__init__.py
index 403d58906cf..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_operations/__init__.py
@@ -12,16 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ClientAClientOperationsMixin  # type: ignore
-from ._operations import ClientBClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientAClientOperationsMixin",
-    "ClientBClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_operations/_operations.py b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_operations/_operations.py
index 53c3614f44f..4a7344771f8 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/_operations/_operations.py
@@ -74,7 +74,7 @@ def build_client_b_renamed_six_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, **kwargs)
 
 
-class ClientAClientOperationsMixin(
+class _ClientAClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ClientAClientConfiguration]
 ):
 
@@ -214,7 +214,7 @@ def renamed_five(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-r
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class ClientBClientOperationsMixin(
+class _ClientBClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ClientBClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_client.py b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_client.py
index 175d4183b43..5e24a2ee928 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_client.py
@@ -17,10 +17,10 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ClientAClientConfiguration, ClientBClientConfiguration
-from ._operations import ClientAClientOperationsMixin, ClientBClientOperationsMixin
+from ._operations._operations import _ClientAClientOperationsMixin, _ClientBClientOperationsMixin
 
 
-class ClientAClient(ClientAClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientAClient(_ClientAClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """ClientAClient.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
@@ -101,7 +101,7 @@ async def __aexit__(self, *exc_details: Any) -> None:
         await self._client.__aexit__(*exc_details)
 
 
-class ClientBClient(ClientBClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ClientBClient(_ClientBClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """ClientBClient.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_operations/__init__.py
index 403d58906cf..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_operations/__init__.py
@@ -12,16 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ClientAClientOperationsMixin  # type: ignore
-from ._operations import ClientBClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ClientAClientOperationsMixin",
-    "ClientBClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_operations/_operations.py
index 79597d27f16..d9c88c79e00 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-multiclient/client/structure/multiclient/aio/_operations/_operations.py
@@ -37,7 +37,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ClientAClientOperationsMixin(
+class _ClientAClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ClientAClientConfiguration]
 ):
 
@@ -177,7 +177,7 @@ async def renamed_five(self, **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class ClientBClientOperationsMixin(
+class _ClientBClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ClientBClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/_client.py b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/_client.py
index 861d5304499..c40cbb2c8c2 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/_client.py
@@ -17,11 +17,12 @@
 from . import models as _models
 from ._configuration import RenamedOperationClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import GroupOperations, RenamedOperationClientOperationsMixin
+from .operations import GroupOperations
+from .operations._operations import _RenamedOperationClientOperationsMixin
 
 
 class RenamedOperationClient(
-    RenamedOperationClientOperationsMixin
+    _RenamedOperationClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """RenamedOperationClient.
 
diff --git a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/_client.py b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/_client.py
index 45058708303..9862d35b25a 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/_client.py
@@ -17,11 +17,12 @@
 from .. import models as _models
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RenamedOperationClientConfiguration
-from .operations import GroupOperations, RenamedOperationClientOperationsMixin
+from .operations import GroupOperations
+from .operations._operations import _RenamedOperationClientOperationsMixin
 
 
 class RenamedOperationClient(
-    RenamedOperationClientOperationsMixin
+    _RenamedOperationClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """RenamedOperationClient.
 
diff --git a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/operations/__init__.py b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/operations/__init__.py
index ca9bfccd245..7f8fe11f074 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import GroupOperations  # type: ignore
-from ._operations import RenamedOperationClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "GroupOperations",
-    "RenamedOperationClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/operations/_operations.py b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/operations/_operations.py
index 615bd947b4f..d9caf137590 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/aio/operations/_operations.py
@@ -191,7 +191,7 @@ async def renamed_six(self, **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class RenamedOperationClientOperationsMixin(
+class _RenamedOperationClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RenamedOperationClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/operations/__init__.py b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/operations/__init__.py
index ca9bfccd245..7f8fe11f074 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import GroupOperations  # type: ignore
-from ._operations import RenamedOperationClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "GroupOperations",
-    "RenamedOperationClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/operations/_operations.py b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/operations/_operations.py
index d90fb0abca6..82b68f6f452 100644
--- a/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/client-structure-renamedoperation/client/structure/renamedoperation/operations/_operations.py
@@ -227,7 +227,7 @@ def renamed_six(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-re
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class RenamedOperationClientOperationsMixin(
+class _RenamedOperationClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RenamedOperationClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_client.py b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_client.py
index cf9ba9de23d..171a7bb1c47 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_client.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_operations/__init__.py b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_operations/__init__.py
index ee66d1eea27..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_operations/_operations.py b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_operations/_operations.py
index 62dc7d48e62..fb52d504b0f 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/_operations/_operations.py
@@ -152,7 +152,7 @@ def build_visibility_put_read_only_model_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_client.py b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_client.py
index 8d64d30a7a2..4b41e1a911e 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/__init__.py
index ee66d1eea27..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/_operations.py
index 3b65c8e5df5..0966175fa32 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/_operations.py
@@ -46,7 +46,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_client.py b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_client.py
index cf9ba9de23d..171a7bb1c47 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_client.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_operations/__init__.py b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_operations/__init__.py
index ee66d1eea27..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_operations/_operations.py b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_operations/_operations.py
index 868d29e9f27..89f06c2d8e6 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/_operations/_operations.py
@@ -152,7 +152,7 @@ def build_visibility_put_read_only_model_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_client.py b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_client.py
index 8d64d30a7a2..4b41e1a911e 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_operations/__init__.py
index ee66d1eea27..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_operations/_operations.py
index 8c554d2925b..7330b43e59c 100644
--- a/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/headasbooleantrue/headasbooleantrue/aio/_operations/_operations.py
@@ -46,7 +46,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_client.py b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_client.py
index 1a77842bca5..57e2a76de2a 100644
--- a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_client.py
+++ b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_client.py
@@ -15,12 +15,14 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import BodyOptionalityClientConfiguration
-from ._operations import BodyOptionalityClientOperationsMixin
+from ._operations._operations import _BodyOptionalityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 from .optionalexplicit.operations import OptionalExplicitOperations
 
 
-class BodyOptionalityClient(BodyOptionalityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class BodyOptionalityClient(
+    _BodyOptionalityClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test describing optionality of the request body.
 
     :ivar optional_explicit: OptionalExplicitOperations operations
diff --git a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/__init__.py b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/__init__.py
index 23fda0916ce..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import BodyOptionalityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "BodyOptionalityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/_operations.py b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/_operations.py
index 4819ba40a43..5fbde706d0d 100644
--- a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/_operations.py
@@ -67,7 +67,7 @@ def build_body_optionality_required_implicit_request(**kwargs: Any) -> HttpReque
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class BodyOptionalityClientOperationsMixin(
+class _BodyOptionalityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], BodyOptionalityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_client.py b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_client.py
index 1d0e19cd535..b1acc9d6a7c 100644
--- a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_client.py
@@ -17,10 +17,12 @@
 from .._utils.serialization import Deserializer, Serializer
 from ..optionalexplicit.aio.operations import OptionalExplicitOperations
 from ._configuration import BodyOptionalityClientConfiguration
-from ._operations import BodyOptionalityClientOperationsMixin
+from ._operations._operations import _BodyOptionalityClientOperationsMixin
 
 
-class BodyOptionalityClient(BodyOptionalityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class BodyOptionalityClient(
+    _BodyOptionalityClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test describing optionality of the request body.
 
     :ivar optional_explicit: OptionalExplicitOperations operations
diff --git a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/__init__.py
index 23fda0916ce..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import BodyOptionalityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "BodyOptionalityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/_operations.py
index 2496ede4105..1bb829a72b4 100644
--- a/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/_operations.py
@@ -40,7 +40,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class BodyOptionalityClientOperationsMixin(
+class _BodyOptionalityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], BodyOptionalityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_client.py b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_client.py
index 805f7323996..d2006282cc4 100644
--- a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_client.py
+++ b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import PathClientConfiguration
-from ._operations import PathClientOperationsMixin
+from ._operations._operations import _PathClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class PathClient(PathClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PathClient(_PathClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for path parameters cases.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_operations/__init__.py b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_operations/__init__.py
index 2674f45390d..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import PathClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "PathClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_operations/_operations.py b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_operations/_operations.py
index 67314a6f90b..3c8c6de47f9 100644
--- a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/_operations/_operations.py
@@ -56,7 +56,7 @@ def build_path_optional_request(*, name: Optional[str] = None, **kwargs: Any) ->
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class PathClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], PathClientConfiguration]):
+class _PathClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], PathClientConfiguration]):
 
     @distributed_trace
     def normal(self, name: str, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
diff --git a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_client.py b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_client.py
index b77489e29ea..302fcfe917f 100644
--- a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import PathClientConfiguration
-from ._operations import PathClientOperationsMixin
+from ._operations._operations import _PathClientOperationsMixin
 
 
-class PathClient(PathClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PathClient(_PathClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for path parameters cases.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_operations/__init__.py
index 2674f45390d..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import PathClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "PathClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_operations/_operations.py
index 2e5a97ab7ba..a6e1efd304e 100644
--- a/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/parameters-path/parameters/path/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class PathClientOperationsMixin(
+class _PathClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], PathClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_client.py b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_client.py
index c21b7332509..c01145f8682 100644
--- a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_client.py
+++ b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import JsonMergePatchClientConfiguration
-from ._operations import JsonMergePatchClientOperationsMixin
+from ._operations._operations import _JsonMergePatchClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class JsonMergePatchClient(JsonMergePatchClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class JsonMergePatchClient(_JsonMergePatchClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for merge-patch+json content-type.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/__init__.py b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/__init__.py
index f20a6cf438b..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import JsonMergePatchClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "JsonMergePatchClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/_operations.py b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/_operations.py
index 1d1c2ad9215..7ab1942cc84 100644
--- a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/_operations.py
@@ -93,7 +93,7 @@ def build_json_merge_patch_update_optional_resource_request(  # pylint: disable=
     return HttpRequest(method="PATCH", url=_url, headers=_headers, **kwargs)
 
 
-class JsonMergePatchClientOperationsMixin(
+class _JsonMergePatchClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], JsonMergePatchClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_client.py b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_client.py
index af591930437..13d4a1b794b 100644
--- a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import JsonMergePatchClientConfiguration
-from ._operations import JsonMergePatchClientOperationsMixin
+from ._operations._operations import _JsonMergePatchClientOperationsMixin
 
 
-class JsonMergePatchClient(JsonMergePatchClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class JsonMergePatchClient(_JsonMergePatchClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for merge-patch+json content-type.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/__init__.py
index f20a6cf438b..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import JsonMergePatchClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "JsonMergePatchClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/_operations.py
index bc7cc75a44d..983828a683e 100644
--- a/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/_operations.py
@@ -42,7 +42,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class JsonMergePatchClientOperationsMixin(
+class _JsonMergePatchClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], JsonMergePatchClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_client.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_client.py
index 04b53faf8ff..57426740093 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_client.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import ResiliencyServiceDrivenClientConfiguration
-from ._operations import ResiliencyServiceDrivenClientOperationsMixin
+from ._operations._operations import _ResiliencyServiceDrivenClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class ResiliencyServiceDrivenClient(ResiliencyServiceDrivenClientOperationsMixin):
+class ResiliencyServiceDrivenClient(_ResiliencyServiceDrivenClientOperationsMixin):
     """Test that we can grow up a service spec and service deployment into a multi-versioned service
     with full client support.
 
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_operations/__init__.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_operations/__init__.py
index 35198b5ab92..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ResiliencyServiceDrivenClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ResiliencyServiceDrivenClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_operations/_operations.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_operations/_operations.py
index 4a92b3f6cd9..8228a0908a5 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/_operations/_operations.py
@@ -69,7 +69,7 @@ def build_resiliency_service_driven_from_one_optional_request(  # pylint: disabl
     return HttpRequest(method="GET", url=_url, params=_params, **kwargs)
 
 
-class ResiliencyServiceDrivenClientOperationsMixin(  # pylint: disable=name-too-long
+class _ResiliencyServiceDrivenClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ResiliencyServiceDrivenClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_client.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_client.py
index c6196ed7c31..7edb8a98716 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ResiliencyServiceDrivenClientConfiguration
-from ._operations import ResiliencyServiceDrivenClientOperationsMixin
+from ._operations._operations import _ResiliencyServiceDrivenClientOperationsMixin
 
 
-class ResiliencyServiceDrivenClient(ResiliencyServiceDrivenClientOperationsMixin):
+class ResiliencyServiceDrivenClient(_ResiliencyServiceDrivenClientOperationsMixin):
     """Test that we can grow up a service spec and service deployment into a multi-versioned service
     with full client support.
 
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_operations/__init__.py
index 35198b5ab92..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ResiliencyServiceDrivenClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ResiliencyServiceDrivenClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_operations/_operations.py
index 352a3881f82..ceefdb1cb7c 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven1/resiliency/srv/driven1/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ResiliencyServiceDrivenClientOperationsMixin(  # pylint: disable=name-too-long
+class _ResiliencyServiceDrivenClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ResiliencyServiceDrivenClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_client.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_client.py
index 7893af70ced..0a3c41084ad 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_client.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import ResiliencyServiceDrivenClientConfiguration
-from ._operations import ResiliencyServiceDrivenClientOperationsMixin
+from ._operations._operations import _ResiliencyServiceDrivenClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class ResiliencyServiceDrivenClient(ResiliencyServiceDrivenClientOperationsMixin):
+class ResiliencyServiceDrivenClient(_ResiliencyServiceDrivenClientOperationsMixin):
     """Test that we can grow up a service spec and service deployment into a multi-versioned service
     with full client support.
 
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_operations/__init__.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_operations/__init__.py
index 35198b5ab92..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ResiliencyServiceDrivenClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ResiliencyServiceDrivenClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_operations/_operations.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_operations/_operations.py
index e454bc2aa90..f92705272bf 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/_operations/_operations.py
@@ -91,7 +91,7 @@ def build_resiliency_service_driven_from_one_optional_request(  # pylint: disabl
     return HttpRequest(method="GET", url=_url, params=_params, **kwargs)
 
 
-class ResiliencyServiceDrivenClientOperationsMixin(  # pylint: disable=name-too-long
+class _ResiliencyServiceDrivenClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ResiliencyServiceDrivenClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_client.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_client.py
index 2bb061ef64f..d568b95edd4 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ResiliencyServiceDrivenClientConfiguration
-from ._operations import ResiliencyServiceDrivenClientOperationsMixin
+from ._operations._operations import _ResiliencyServiceDrivenClientOperationsMixin
 
 
-class ResiliencyServiceDrivenClient(ResiliencyServiceDrivenClientOperationsMixin):
+class ResiliencyServiceDrivenClient(_ResiliencyServiceDrivenClientOperationsMixin):
     """Test that we can grow up a service spec and service deployment into a multi-versioned service
     with full client support.
 
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_operations/__init__.py
index 35198b5ab92..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ResiliencyServiceDrivenClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ResiliencyServiceDrivenClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_operations/_operations.py
index 26180854a94..599c4872298 100644
--- a/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/resiliency-srv-driven2/resiliency/srv/driven2/aio/_operations/_operations.py
@@ -36,7 +36,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ResiliencyServiceDrivenClientOperationsMixin(  # pylint: disable=name-too-long
+class _ResiliencyServiceDrivenClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ResiliencyServiceDrivenClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_client.py b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_client.py
index 627f543d1bd..9aace53ab1e 100644
--- a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_client.py
+++ b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_client.py
@@ -15,11 +15,13 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import StatusCodeRangeClientConfiguration
-from ._operations import StatusCodeRangeClientOperationsMixin
+from ._operations._operations import _StatusCodeRangeClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class StatusCodeRangeClient(StatusCodeRangeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class StatusCodeRangeClient(
+    _StatusCodeRangeClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test for range of status code.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_operations/__init__.py b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_operations/__init__.py
index 6fdc2a0dad5..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import StatusCodeRangeClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "StatusCodeRangeClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_operations/_operations.py b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_operations/_operations.py
index 586fe165563..17791e05ef4 100644
--- a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/_operations/_operations.py
@@ -67,7 +67,7 @@ def build_status_code_range_error_response_status_code404_request(  # pylint: di
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class StatusCodeRangeClientOperationsMixin(
+class _StatusCodeRangeClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], StatusCodeRangeClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_client.py b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_client.py
index 9204c9baaca..d91140cfdc9 100644
--- a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_client.py
@@ -16,10 +16,12 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import StatusCodeRangeClientConfiguration
-from ._operations import StatusCodeRangeClientOperationsMixin
+from ._operations._operations import _StatusCodeRangeClientOperationsMixin
 
 
-class StatusCodeRangeClient(StatusCodeRangeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class StatusCodeRangeClient(
+    _StatusCodeRangeClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test for range of status code.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_operations/__init__.py
index 6fdc2a0dad5..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import StatusCodeRangeClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "StatusCodeRangeClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_operations/_operations.py
index 2f4df6b2b40..efc0af913ee 100644
--- a/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/response-status-code-range/response/statuscoderange/aio/_operations/_operations.py
@@ -35,7 +35,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class StatusCodeRangeClientOperationsMixin(
+class _StatusCodeRangeClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], StatusCodeRangeClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/routes/routes/_client.py b/packages/typespec-python/test/azure/generated/routes/routes/_client.py
index a7dbef56588..f1e1e1b4f69 100644
--- a/packages/typespec-python/test/azure/generated/routes/routes/_client.py
+++ b/packages/typespec-python/test/azure/generated/routes/routes/_client.py
@@ -16,12 +16,13 @@
 
 from ._configuration import RoutesClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import InInterfaceOperations, RoutesClientOperationsMixin
+from .operations import InInterfaceOperations
+from .operations._operations import _RoutesClientOperationsMixin
 from .pathparameters.operations import PathParametersOperations
 from .queryparameters.operations import QueryParametersOperations
 
 
-class RoutesClient(RoutesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RoutesClient(_RoutesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Define scenario in building the http route/uri.
 
     :ivar path_parameters: PathParametersOperations operations
diff --git a/packages/typespec-python/test/azure/generated/routes/routes/aio/_client.py b/packages/typespec-python/test/azure/generated/routes/routes/aio/_client.py
index 11dc1b6d639..0ee2c449008 100644
--- a/packages/typespec-python/test/azure/generated/routes/routes/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/routes/routes/aio/_client.py
@@ -18,10 +18,11 @@
 from ..pathparameters.aio.operations import PathParametersOperations
 from ..queryparameters.aio.operations import QueryParametersOperations
 from ._configuration import RoutesClientConfiguration
-from .operations import InInterfaceOperations, RoutesClientOperationsMixin
+from .operations import InInterfaceOperations
+from .operations._operations import _RoutesClientOperationsMixin
 
 
-class RoutesClient(RoutesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RoutesClient(_RoutesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Define scenario in building the http route/uri.
 
     :ivar path_parameters: PathParametersOperations operations
diff --git a/packages/typespec-python/test/azure/generated/routes/routes/aio/operations/__init__.py b/packages/typespec-python/test/azure/generated/routes/routes/aio/operations/__init__.py
index 830cd9bf21f..c3492222fa2 100644
--- a/packages/typespec-python/test/azure/generated/routes/routes/aio/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/routes/routes/aio/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import InInterfaceOperations  # type: ignore
-from ._operations import RoutesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "InInterfaceOperations",
-    "RoutesClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/routes/routes/aio/operations/_operations.py b/packages/typespec-python/test/azure/generated/routes/routes/aio/operations/_operations.py
index 5d2a25ef89a..cd96825cd73 100644
--- a/packages/typespec-python/test/azure/generated/routes/routes/aio/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/routes/routes/aio/operations/_operations.py
@@ -93,7 +93,7 @@ async def fixed(self, **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class RoutesClientOperationsMixin(
+class _RoutesClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RoutesClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/routes/routes/operations/__init__.py b/packages/typespec-python/test/azure/generated/routes/routes/operations/__init__.py
index 830cd9bf21f..c3492222fa2 100644
--- a/packages/typespec-python/test/azure/generated/routes/routes/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/routes/routes/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import InInterfaceOperations  # type: ignore
-from ._operations import RoutesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "InInterfaceOperations",
-    "RoutesClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/routes/routes/operations/_operations.py b/packages/typespec-python/test/azure/generated/routes/routes/operations/_operations.py
index d4b5bf360ad..2f260500a1d 100644
--- a/packages/typespec-python/test/azure/generated/routes/routes/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/routes/routes/operations/_operations.py
@@ -108,7 +108,9 @@ def fixed(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-s
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class RoutesClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RoutesClientConfiguration]):
+class _RoutesClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RoutesClientConfiguration]
+):
 
     @distributed_trace
     def fixed(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
diff --git a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_client.py b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_client.py
index ad7833095f5..55390b195d1 100644
--- a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import NotDefinedClientConfiguration
-from ._operations import NotDefinedClientOperationsMixin
+from ._operations._operations import _NotDefinedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class NotDefinedClient(NotDefinedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NotDefinedClient(_NotDefinedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates server doesn't define endpoint. Client should automatically add an endpoint to let
     user pass in.
 
diff --git a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/__init__.py
index 66dbe8fc3ff..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotDefinedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotDefinedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/_operations.py
index 2dfc8b5dc2f..522a622c797 100644
--- a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/_operations.py
@@ -39,7 +39,7 @@ def build_not_defined_valid_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class NotDefinedClientOperationsMixin(
+class _NotDefinedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NotDefinedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_client.py b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_client.py
index b718cbb77ea..f3cc026b393 100644
--- a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import NotDefinedClientConfiguration
-from ._operations import NotDefinedClientOperationsMixin
+from ._operations._operations import _NotDefinedClientOperationsMixin
 
 
-class NotDefinedClient(NotDefinedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NotDefinedClient(_NotDefinedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates server doesn't define endpoint. Client should automatically add an endpoint to let
     user pass in.
 
diff --git a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/__init__.py
index 66dbe8fc3ff..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotDefinedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotDefinedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/_operations.py
index ff6cc3f698f..2f14f5e29a5 100644
--- a/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class NotDefinedClientOperationsMixin(
+class _NotDefinedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], NotDefinedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_client.py b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_client.py
index b36bcf409c9..f300f9ebb43 100644
--- a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import MultipleClientConfiguration
-from ._operations import MultipleClientOperationsMixin
+from ._operations._operations import _MultipleClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class MultipleClient(MultipleClientOperationsMixin):
+class MultipleClient(_MultipleClientOperationsMixin):
     """MultipleClient.
 
     :param endpoint: Pass in `http://localhost:3000 <http://localhost:3000>`_ for endpoint.
diff --git a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_operations/__init__.py
index 5870b7bab12..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MultipleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultipleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_operations/_operations.py
index ec14220eb15..4825c2477e6 100644
--- a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/_operations/_operations.py
@@ -53,7 +53,7 @@ def build_multiple_with_operation_path_param_request(  # pylint: disable=name-to
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class MultipleClientOperationsMixin(
+class _MultipleClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultipleClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_client.py b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_client.py
index dfb746a93d6..e6bf5fc98d0 100644
--- a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultipleClientConfiguration
-from ._operations import MultipleClientOperationsMixin
+from ._operations._operations import _MultipleClientOperationsMixin
 
 
-class MultipleClient(MultipleClientOperationsMixin):
+class MultipleClient(_MultipleClientOperationsMixin):
     """MultipleClient.
 
     :param endpoint: Pass in `http://localhost:3000 <http://localhost:3000>`_ for endpoint.
diff --git a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_operations/__init__.py
index 5870b7bab12..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MultipleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultipleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_operations/_operations.py
index 2cf3200c399..b478861db51 100644
--- a/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-path-multiple/server/path/multiple/aio/_operations/_operations.py
@@ -33,7 +33,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultipleClientOperationsMixin(
+class _MultipleClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultipleClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_client.py b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_client.py
index 2a6874b8ac2..98b081b8333 100644
--- a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import SingleClientConfiguration
-from ._operations import SingleClientOperationsMixin
+from ._operations._operations import _SingleClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class SingleClient(SingleClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class SingleClient(_SingleClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates server with a single path parameter @server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_operations/__init__.py
index 9f12b1d8805..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import SingleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SingleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_operations/_operations.py
index 6a7e591604a..997b4c12edd 100644
--- a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/_operations/_operations.py
@@ -39,7 +39,9 @@ def build_single_my_op_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class SingleClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], SingleClientConfiguration]):
+class _SingleClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], SingleClientConfiguration]
+):
 
     @distributed_trace
     def my_op(self, **kwargs: Any) -> bool:
diff --git a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_client.py b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_client.py
index bf7588c81b6..086be5ede86 100644
--- a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import SingleClientConfiguration
-from ._operations import SingleClientOperationsMixin
+from ._operations._operations import _SingleClientOperationsMixin
 
 
-class SingleClient(SingleClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class SingleClient(_SingleClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates server with a single path parameter @server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_operations/__init__.py
index 9f12b1d8805..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import SingleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SingleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_operations/_operations.py
index 29b9a8202c9..46816c4ef9f 100644
--- a/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-path-single/server/path/single/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class SingleClientOperationsMixin(
+class _SingleClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], SingleClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_client.py b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_client.py
index 0f2b7bf7235..a9402cf507d 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import NotVersionedClientConfiguration
-from ._operations import NotVersionedClientOperationsMixin
+from ._operations._operations import _NotVersionedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class NotVersionedClient(NotVersionedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NotVersionedClient(_NotVersionedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates not-versioned server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_operations/__init__.py
index a2f7c7e2e99..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotVersionedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotVersionedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_operations/_operations.py
index d907e4963e3..8776bf45e82 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/_operations/_operations.py
@@ -68,7 +68,7 @@ def build_not_versioned_with_path_api_version_request(  # pylint: disable=name-t
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class NotVersionedClientOperationsMixin(
+class _NotVersionedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NotVersionedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_client.py b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_client.py
index cd0e4c86017..521a59fffad 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import NotVersionedClientConfiguration
-from ._operations import NotVersionedClientOperationsMixin
+from ._operations._operations import _NotVersionedClientOperationsMixin
 
 
-class NotVersionedClient(NotVersionedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NotVersionedClient(_NotVersionedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates not-versioned server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/__init__.py
index a2f7c7e2e99..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotVersionedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotVersionedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/_operations.py
index 86534854447..8fdf825610f 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class NotVersionedClientOperationsMixin(
+class _NotVersionedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], NotVersionedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_client.py b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_client.py
index 39b36d17318..45f1d929af3 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import VersionedClientConfiguration
-from ._operations import VersionedClientOperationsMixin
+from ._operations._operations import _VersionedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class VersionedClient(VersionedClientOperationsMixin):
+class VersionedClient(_VersionedClientOperationsMixin):
     """Illustrates versioned server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_operations/__init__.py
index a6df38be52e..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VersionedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VersionedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_operations/_operations.py
index 155122bbbec..e5c6cbdb9e9 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/_operations/_operations.py
@@ -79,7 +79,7 @@ def build_versioned_with_query_old_api_version_request(**kwargs: Any) -> HttpReq
     return HttpRequest(method="HEAD", url=_url, params=_params, **kwargs)
 
 
-class VersionedClientOperationsMixin(
+class _VersionedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], VersionedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_client.py b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_client.py
index 6d449ae351a..5282469283b 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import VersionedClientConfiguration
-from ._operations import VersionedClientOperationsMixin
+from ._operations._operations import _VersionedClientOperationsMixin
 
 
-class VersionedClient(VersionedClientOperationsMixin):
+class VersionedClient(_VersionedClientOperationsMixin):
     """Illustrates versioned server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_operations/__init__.py
index a6df38be52e..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VersionedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VersionedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_operations/_operations.py
index 9c7f1776d55..3ebfc708fff 100644
--- a/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/server-versions-versioned/server/versions/versioned/aio/_operations/_operations.py
@@ -35,7 +35,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class VersionedClientOperationsMixin(
+class _VersionedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], VersionedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_client.py b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_client.py
index 3b7f8988cfa..b10e70d3c68 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_client.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import ConditionalRequestClientConfiguration
-from ._operations import ConditionalRequestClientOperationsMixin
+from ._operations._operations import _ConditionalRequestClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class ConditionalRequestClient(
-    ConditionalRequestClientOperationsMixin
+    _ConditionalRequestClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates conditional request headers.
 
diff --git a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/__init__.py b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/__init__.py
index f4b754aa760..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ConditionalRequestClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ConditionalRequestClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py
index a6e049ceb91..87d6518860e 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py
@@ -103,7 +103,7 @@ def build_conditional_request_post_if_unmodified_since_request(  # pylint: disab
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class ConditionalRequestClientOperationsMixin(
+class _ConditionalRequestClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ConditionalRequestClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_client.py b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_client.py
index e4c129e8897..5cd483e874c 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ConditionalRequestClientConfiguration
-from ._operations import ConditionalRequestClientOperationsMixin
+from ._operations._operations import _ConditionalRequestClientOperationsMixin
 
 
 class ConditionalRequestClient(
-    ConditionalRequestClientOperationsMixin
+    _ConditionalRequestClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates conditional request headers.
 
diff --git a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/__init__.py
index f4b754aa760..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ConditionalRequestClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ConditionalRequestClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/_operations.py
index 6fb1792c066..9707c835583 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/_operations.py
@@ -37,7 +37,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ConditionalRequestClientOperationsMixin(
+class _ConditionalRequestClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ConditionalRequestClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_client.py b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_client.py
index 0fc9eb3410b..522d77d3205 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_client.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import RepeatabilityClientConfiguration
-from ._operations import RepeatabilityClientOperationsMixin
+from ._operations._operations import _RepeatabilityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class RepeatabilityClient(RepeatabilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RepeatabilityClient(_RepeatabilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates OASIS repeatability headers.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_operations/__init__.py b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_operations/__init__.py
index 3996a41e434..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RepeatabilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RepeatabilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_operations/_operations.py b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_operations/_operations.py
index 4fe4e9348d8..0a108dfa4b8 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/_operations/_operations.py
@@ -52,7 +52,7 @@ def build_repeatability_immediate_success_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class RepeatabilityClientOperationsMixin(
+class _RepeatabilityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RepeatabilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_client.py b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_client.py
index 83ae5e478b6..c31c6943534 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RepeatabilityClientConfiguration
-from ._operations import RepeatabilityClientOperationsMixin
+from ._operations._operations import _RepeatabilityClientOperationsMixin
 
 
-class RepeatabilityClient(RepeatabilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RepeatabilityClient(_RepeatabilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates OASIS repeatability headers.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/__init__.py
index 3996a41e434..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RepeatabilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RepeatabilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/_operations.py
index dad1e9d703c..bc18f823594 100644
--- a/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class RepeatabilityClientOperationsMixin(
+class _RepeatabilityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RepeatabilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_client.py
index 172d3b99300..d2ab3dbefb1 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import EmptyClientConfiguration
-from ._operations import EmptyClientOperationsMixin
+from ._operations._operations import _EmptyClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class EmptyClient(EmptyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class EmptyClient(_EmptyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates usage of empty model used in operation's parameters and responses.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_operations/__init__.py
index ebefd232117..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import EmptyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "EmptyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_operations/_operations.py
index 1ed36ce0e7a..974e74c2f60 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/_operations/_operations.py
@@ -85,7 +85,7 @@ def build_empty_post_round_trip_empty_request(**kwargs: Any) -> HttpRequest:  #
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class EmptyClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], EmptyClientConfiguration]):
+class _EmptyClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], EmptyClientConfiguration]):
 
     @overload
     def put_empty(self, input: _models.EmptyInput, *, content_type: str = "application/json", **kwargs: Any) -> None:
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_client.py
index 4f7d8db7473..333c4629dfc 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import EmptyClientConfiguration
-from ._operations import EmptyClientOperationsMixin
+from ._operations._operations import _EmptyClientOperationsMixin
 
 
-class EmptyClient(EmptyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class EmptyClient(_EmptyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates usage of empty model used in operation's parameters and responses.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_operations/__init__.py
index ebefd232117..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import EmptyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "EmptyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_operations/_operations.py
index e39db9965b2..1ca733be955 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-empty/typetest/model/empty/aio/_operations/_operations.py
@@ -42,7 +42,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class EmptyClientOperationsMixin(
+class _EmptyClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], EmptyClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_client.py
index 41eca39aa60..2b4852f96d9 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import EnumDiscriminatorClientConfiguration
-from ._operations import EnumDiscriminatorClientOperationsMixin
+from ._operations._operations import _EnumDiscriminatorClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class EnumDiscriminatorClient(
-    EnumDiscriminatorClientOperationsMixin
+    _EnumDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance with enum discriminator.
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/__init__.py
index 915c9cdf59c..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import EnumDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "EnumDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/_operations.py
index 96f142ee157..8e31b764535 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/_operations.py
@@ -164,7 +164,7 @@ def build_enum_discriminator_get_fixed_model_wrong_discriminator_request(  # pyl
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class EnumDiscriminatorClientOperationsMixin(
+class _EnumDiscriminatorClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], EnumDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_client.py
index f3b5659a8d0..b0d3a666f3b 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import EnumDiscriminatorClientConfiguration
-from ._operations import EnumDiscriminatorClientOperationsMixin
+from ._operations._operations import _EnumDiscriminatorClientOperationsMixin
 
 
 class EnumDiscriminatorClient(
-    EnumDiscriminatorClientOperationsMixin
+    _EnumDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance with enum discriminator.
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/__init__.py
index 915c9cdf59c..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import EnumDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "EnumDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/_operations.py
index 0a769c2ee5d..00d7146ea32 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/_operations.py
@@ -47,7 +47,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class EnumDiscriminatorClientOperationsMixin(
+class _EnumDiscriminatorClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], EnumDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_client.py
index 1ed32b7b9ed..237a6ad9988 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import NestedDiscriminatorClientConfiguration
-from ._operations import NestedDiscriminatorClientOperationsMixin
+from ._operations._operations import _NestedDiscriminatorClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class NestedDiscriminatorClient(
-    NestedDiscriminatorClientOperationsMixin
+    _NestedDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates multiple level inheritance with multiple discriminators.
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/__init__.py
index 8451c880d19..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NestedDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NestedDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/_operations.py
index a54a052b873..657365937a1 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/_operations.py
@@ -132,7 +132,7 @@ def build_nested_discriminator_get_wrong_discriminator_request(  # pylint: disab
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class NestedDiscriminatorClientOperationsMixin(
+class _NestedDiscriminatorClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NestedDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_client.py
index 4c6a1af56b1..a099ab07939 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import NestedDiscriminatorClientConfiguration
-from ._operations import NestedDiscriminatorClientOperationsMixin
+from ._operations._operations import _NestedDiscriminatorClientOperationsMixin
 
 
 class NestedDiscriminatorClient(
-    NestedDiscriminatorClientOperationsMixin
+    _NestedDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates multiple level inheritance with multiple discriminators.
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/__init__.py
index 8451c880d19..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NestedDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NestedDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/_operations.py
index 775a2816882..199a8116fb6 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/_operations.py
@@ -45,7 +45,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class NestedDiscriminatorClientOperationsMixin(
+class _NestedDiscriminatorClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], NestedDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_client.py
index 9ca9d2235ac..de900478816 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import NotDiscriminatedClientConfiguration
-from ._operations import NotDiscriminatedClientOperationsMixin
+from ._operations._operations import _NotDiscriminatedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class NotDiscriminatedClient(
-    NotDiscriminatedClientOperationsMixin
+    _NotDiscriminatedClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates not-discriminated inheritance model.
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/__init__.py
index 8f7b4a976ae..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotDiscriminatedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotDiscriminatedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/_operations.py
index 3a70eaa9815..6e672bc36f5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/_operations.py
@@ -85,7 +85,7 @@ def build_not_discriminated_put_valid_request(**kwargs: Any) -> HttpRequest:  #
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class NotDiscriminatedClientOperationsMixin(
+class _NotDiscriminatedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NotDiscriminatedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_client.py
index d62fb58ae31..f2a6206e147 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import NotDiscriminatedClientConfiguration
-from ._operations import NotDiscriminatedClientOperationsMixin
+from ._operations._operations import _NotDiscriminatedClientOperationsMixin
 
 
 class NotDiscriminatedClient(
-    NotDiscriminatedClientOperationsMixin
+    _NotDiscriminatedClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates not-discriminated inheritance model.
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/__init__.py
index 8f7b4a976ae..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotDiscriminatedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotDiscriminatedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/_operations.py
index 13b833fd6f8..a59aebc0891 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/_operations.py
@@ -42,7 +42,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class NotDiscriminatedClientOperationsMixin(
+class _NotDiscriminatedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], NotDiscriminatedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_client.py
index 14cf9d99d0e..c4b69284f09 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import RecursiveClientConfiguration
-from ._operations import RecursiveClientOperationsMixin
+from ._operations._operations import _RecursiveClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class RecursiveClient(RecursiveClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RecursiveClient(_RecursiveClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance recursion.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_operations/__init__.py
index 7e33b64cd0f..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RecursiveClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RecursiveClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_operations/_operations.py
index 1da110e8c13..21526283596 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/_operations/_operations.py
@@ -68,7 +68,7 @@ def build_recursive_get_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class RecursiveClientOperationsMixin(
+class _RecursiveClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RecursiveClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_client.py
index 0d19e7d10f6..43a110aa05c 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RecursiveClientConfiguration
-from ._operations import RecursiveClientOperationsMixin
+from ._operations._operations import _RecursiveClientOperationsMixin
 
 
-class RecursiveClient(RecursiveClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RecursiveClient(_RecursiveClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance recursion.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/__init__.py
index 7e33b64cd0f..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RecursiveClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RecursiveClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/_operations.py
index 82d21d370ea..e5b27e51d58 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class RecursiveClientOperationsMixin(
+class _RecursiveClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RecursiveClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_client.py
index dffc6b98b9c..b7eac9bceaa 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import SingleDiscriminatorClientConfiguration
-from ._operations import SingleDiscriminatorClientOperationsMixin
+from ._operations._operations import _SingleDiscriminatorClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class SingleDiscriminatorClient(
-    SingleDiscriminatorClientOperationsMixin
+    _SingleDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance with single discriminator.
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/__init__.py
index 2545dba0af8..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import SingleDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SingleDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/_operations.py
index 815e96069a3..3f1a0d7d70a 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/_operations.py
@@ -146,7 +146,7 @@ def build_single_discriminator_get_legacy_model_request(**kwargs: Any) -> HttpRe
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class SingleDiscriminatorClientOperationsMixin(
+class _SingleDiscriminatorClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], SingleDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_client.py
index 678e4ebad44..6cc53fb9ce1 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import SingleDiscriminatorClientConfiguration
-from ._operations import SingleDiscriminatorClientOperationsMixin
+from ._operations._operations import _SingleDiscriminatorClientOperationsMixin
 
 
 class SingleDiscriminatorClient(
-    SingleDiscriminatorClientOperationsMixin
+    _SingleDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance with single discriminator.
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/__init__.py
index 2545dba0af8..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import SingleDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SingleDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/_operations.py
index 6d55aa62c93..665cb24c154 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/_operations.py
@@ -46,7 +46,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class SingleDiscriminatorClientOperationsMixin(
+class _SingleDiscriminatorClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], SingleDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_client.py
index c7ae6137275..825f597893e 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import UsageClientConfiguration
-from ._operations import UsageClientOperationsMixin
+from ._operations._operations import _UsageClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class UsageClient(UsageClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class UsageClient(_UsageClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates usage of Record in different places(Operation parameters, return type or both).
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_operations/__init__.py
index 69356ba7c44..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import UsageClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "UsageClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_operations/_operations.py
index a84e54a3907..e6285cb2c2c 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/_operations/_operations.py
@@ -85,7 +85,7 @@ def build_usage_input_and_output_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class UsageClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], UsageClientConfiguration]):
+class _UsageClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], UsageClientConfiguration]):
 
     @overload
     def input(self, input: _models.InputRecord, *, content_type: str = "application/json", **kwargs: Any) -> None:
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_client.py
index be8db2970a3..b238c355076 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import UsageClientConfiguration
-from ._operations import UsageClientOperationsMixin
+from ._operations._operations import _UsageClientOperationsMixin
 
 
-class UsageClient(UsageClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class UsageClient(_UsageClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates usage of Record in different places(Operation parameters, return type or both).
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_operations/__init__.py
index 69356ba7c44..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import UsageClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "UsageClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_operations/_operations.py
index bec36a86ff7..d8c5742f234 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-usage/typetest/model/usage/aio/_operations/_operations.py
@@ -42,7 +42,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class UsageClientOperationsMixin(
+class _UsageClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], UsageClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_client.py
index cf9ba9de23d..171a7bb1c47 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_operations/__init__.py
index ee66d1eea27..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_operations/_operations.py
index 268dd275e5a..8a65dd3010e 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/_operations/_operations.py
@@ -152,7 +152,7 @@ def build_visibility_put_read_only_model_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_client.py b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_client.py
index 8d64d30a7a2..4b41e1a911e 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/__init__.py
index ee66d1eea27..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/_operations.py
index 73d37ff5484..6a6b5ca489e 100644
--- a/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/_operations.py
@@ -46,7 +46,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/_client.py b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/_client.py
index 1354daa5621..cc46d54abd5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/_client.py
@@ -16,10 +16,11 @@
 
 from ._configuration import AddedClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AddedClientOperationsMixin, InterfaceV2Operations
+from .operations import InterfaceV2Operations
+from .operations._operations import _AddedClientOperationsMixin
 
 
-class AddedClient(AddedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AddedClient(_AddedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@added`` decorator.
 
     :ivar interface_v2: InterfaceV2Operations operations
diff --git a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/_client.py b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/_client.py
index 6ce62ac6852..cfd2422333a 100644
--- a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/_client.py
@@ -16,10 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AddedClientConfiguration
-from .operations import AddedClientOperationsMixin, InterfaceV2Operations
+from .operations import InterfaceV2Operations
+from .operations._operations import _AddedClientOperationsMixin
 
 
-class AddedClient(AddedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AddedClient(_AddedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@added`` decorator.
 
     :ivar interface_v2: InterfaceV2Operations operations
diff --git a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/operations/__init__.py
index 92aae3ae4fb..f648f4ab914 100644
--- a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import InterfaceV2Operations  # type: ignore
-from ._operations import AddedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "InterfaceV2Operations",
-    "AddedClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/operations/_operations.py
index 68f935e55e4..005ae7cb99c 100644
--- a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/aio/operations/_operations.py
@@ -184,7 +184,7 @@ async def v2_in_interface(self, body: Union[_models.ModelV2, JSON, IO[bytes]], *
         return deserialized  # type: ignore
 
 
-class AddedClientOperationsMixin(
+class _AddedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AddedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/operations/__init__.py
index 92aae3ae4fb..f648f4ab914 100644
--- a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import InterfaceV2Operations  # type: ignore
-from ._operations import AddedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "InterfaceV2Operations",
-    "AddedClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/operations/_operations.py
index c045852e337..325035185a6 100644
--- a/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-added/versioning/added/operations/_operations.py
@@ -231,7 +231,7 @@ def v2_in_interface(self, body: Union[_models.ModelV2, JSON, IO[bytes]], **kwarg
         return deserialized  # type: ignore
 
 
-class AddedClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AddedClientConfiguration]):
+class _AddedClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AddedClientConfiguration]):
 
     @overload
     def v1(
diff --git a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_client.py b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_client.py
index c69e5df5ee3..6c9022f66ae 100644
--- a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import MadeOptionalClientConfiguration
-from ._operations import MadeOptionalClientOperationsMixin
+from ._operations._operations import _MadeOptionalClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class MadeOptionalClient(MadeOptionalClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MadeOptionalClient(_MadeOptionalClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@madeOptional`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_operations/__init__.py
index 0906701662f..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MadeOptionalClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MadeOptionalClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_operations/_operations.py
index f716ea08df6..f284d7af1bb 100644
--- a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/_operations/_operations.py
@@ -62,7 +62,7 @@ def build_made_optional_test_request(*, param: Optional[str] = None, **kwargs: A
     return HttpRequest(method="POST", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MadeOptionalClientOperationsMixin(
+class _MadeOptionalClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MadeOptionalClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_client.py b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_client.py
index c5b5ea355f3..086a9305a97 100644
--- a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MadeOptionalClientConfiguration
-from ._operations import MadeOptionalClientOperationsMixin
+from ._operations._operations import _MadeOptionalClientOperationsMixin
 
 
-class MadeOptionalClient(MadeOptionalClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MadeOptionalClient(_MadeOptionalClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@madeOptional`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/__init__.py
index 0906701662f..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MadeOptionalClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MadeOptionalClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/_operations.py
index d3fc7b7d0d1..ef248fbdb5a 100644
--- a/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MadeOptionalClientOperationsMixin(
+class _MadeOptionalClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MadeOptionalClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_client.py b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_client.py
index 5ea081b618f..51d74fd6737 100644
--- a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_client.py
@@ -15,11 +15,11 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import RemovedClientConfiguration
-from ._operations import RemovedClientOperationsMixin
+from ._operations._operations import _RemovedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class RemovedClient(RemovedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RemovedClient(_RemovedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@removed`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_operations/__init__.py
index 5582b0fb982..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RemovedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RemovedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_operations/_operations.py
index 9e3b7615c54..d2d1289e77e 100644
--- a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/_operations/_operations.py
@@ -74,7 +74,7 @@ def build_removed_model_v3_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class RemovedClientOperationsMixin(
+class _RemovedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RemovedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_client.py b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_client.py
index 08270c98e96..237b35d5a34 100644
--- a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_client.py
@@ -16,10 +16,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RemovedClientConfiguration
-from ._operations import RemovedClientOperationsMixin
+from ._operations._operations import _RemovedClientOperationsMixin
 
 
-class RemovedClient(RemovedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RemovedClient(_RemovedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@removed`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_operations/__init__.py
index 5582b0fb982..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RemovedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RemovedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_operations/_operations.py
index 2179e72aa8d..fd5a59edde8 100644
--- a/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-removed/versioning/removed/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class RemovedClientOperationsMixin(
+class _RemovedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RemovedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/_client.py b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/_client.py
index faa4a4b66ec..52ea6d4eb4a 100644
--- a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/_client.py
@@ -16,10 +16,11 @@
 
 from ._configuration import RenamedFromClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import NewInterfaceOperations, RenamedFromClientOperationsMixin
+from .operations import NewInterfaceOperations
+from .operations._operations import _RenamedFromClientOperationsMixin
 
 
-class RenamedFromClient(RenamedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RenamedFromClient(_RenamedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@renamedFrom`` decorator.
 
     :ivar new_interface: NewInterfaceOperations operations
diff --git a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/_client.py b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/_client.py
index 1e550cdc6df..c246e913cac 100644
--- a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/_client.py
@@ -16,10 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RenamedFromClientConfiguration
-from .operations import NewInterfaceOperations, RenamedFromClientOperationsMixin
+from .operations import NewInterfaceOperations
+from .operations._operations import _RenamedFromClientOperationsMixin
 
 
-class RenamedFromClient(RenamedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RenamedFromClient(_RenamedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@renamedFrom`` decorator.
 
     :ivar new_interface: NewInterfaceOperations operations
diff --git a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/__init__.py
index 4598dad127d..f536ce47500 100644
--- a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import NewInterfaceOperations  # type: ignore
-from ._operations import RenamedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "NewInterfaceOperations",
-    "RenamedFromClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/_operations.py
index 73bc25d5731..04fcfe52312 100644
--- a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/_operations.py
@@ -179,7 +179,7 @@ async def new_op_in_new_interface(
         return deserialized  # type: ignore
 
 
-class RenamedFromClientOperationsMixin(
+class _RenamedFromClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RenamedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/operations/__init__.py
index 4598dad127d..f536ce47500 100644
--- a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/operations/__init__.py
@@ -13,7 +13,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import NewInterfaceOperations  # type: ignore
-from ._operations import RenamedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -21,7 +20,6 @@
 
 __all__ = [
     "NewInterfaceOperations",
-    "RenamedFromClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/operations/_operations.py
index fe252469cda..5eec3dd5a11 100644
--- a/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-renamedfrom/versioning/renamedfrom/operations/_operations.py
@@ -215,7 +215,7 @@ def new_op_in_new_interface(
         return deserialized  # type: ignore
 
 
-class RenamedFromClientOperationsMixin(
+class _RenamedFromClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RenamedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_client.py b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_client.py
index 3ec2f6d2789..0ea20cd10ed 100644
--- a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_client.py
@@ -15,12 +15,12 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import ReturnTypeChangedFromClientConfiguration
-from ._operations import ReturnTypeChangedFromClientOperationsMixin
+from ._operations._operations import _ReturnTypeChangedFromClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class ReturnTypeChangedFromClient(
-    ReturnTypeChangedFromClientOperationsMixin
+    _ReturnTypeChangedFromClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@returnTypeChangedFrom`` decorator.
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/__init__.py
index d6cf57e7558..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ReturnTypeChangedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ReturnTypeChangedFromClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/_operations.py
index b833047df7e..7ed2261b7b1 100644
--- a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/_operations.py
@@ -53,7 +53,7 @@ def build_return_type_changed_from_test_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class ReturnTypeChangedFromClientOperationsMixin(  # pylint: disable=name-too-long
+class _ReturnTypeChangedFromClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ReturnTypeChangedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_client.py b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_client.py
index 8578bc77819..2721fff558a 100644
--- a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_client.py
@@ -16,11 +16,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ReturnTypeChangedFromClientConfiguration
-from ._operations import ReturnTypeChangedFromClientOperationsMixin
+from ._operations._operations import _ReturnTypeChangedFromClientOperationsMixin
 
 
 class ReturnTypeChangedFromClient(
-    ReturnTypeChangedFromClientOperationsMixin
+    _ReturnTypeChangedFromClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@returnTypeChangedFrom`` decorator.
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/__init__.py
index d6cf57e7558..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ReturnTypeChangedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ReturnTypeChangedFromClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/_operations.py
index 31a331deeb2..ebeb128e219 100644
--- a/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/_operations.py
@@ -35,7 +35,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ReturnTypeChangedFromClientOperationsMixin(  # pylint: disable=name-too-long
+class _ReturnTypeChangedFromClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ReturnTypeChangedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_client.py b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_client.py
index 17e0590027d..9eeb958c60c 100644
--- a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_client.py
@@ -15,11 +15,13 @@
 from azure.core.rest import HttpRequest, HttpResponse
 
 from ._configuration import TypeChangedFromClientConfiguration
-from ._operations import TypeChangedFromClientOperationsMixin
+from ._operations._operations import _TypeChangedFromClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class TypeChangedFromClient(TypeChangedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class TypeChangedFromClient(
+    _TypeChangedFromClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@typeChangedFrom`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/__init__.py
index 3714545bb4e..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import TypeChangedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "TypeChangedFromClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/_operations.py
index f56e06bbb5b..073624c3eba 100644
--- a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/_operations.py
@@ -61,7 +61,7 @@ def build_type_changed_from_test_request(*, param: str, **kwargs: Any) -> HttpRe
     return HttpRequest(method="POST", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class TypeChangedFromClientOperationsMixin(
+class _TypeChangedFromClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], TypeChangedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_client.py b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_client.py
index 36f664752c6..4698afeba0d 100644
--- a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_client.py
+++ b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_client.py
@@ -16,10 +16,12 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import TypeChangedFromClientConfiguration
-from ._operations import TypeChangedFromClientOperationsMixin
+from ._operations._operations import _TypeChangedFromClientOperationsMixin
 
 
-class TypeChangedFromClient(TypeChangedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class TypeChangedFromClient(
+    _TypeChangedFromClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@typeChangedFrom`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/__init__.py b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/__init__.py
index 3714545bb4e..933fcd7d1b5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/__init__.py
@@ -12,14 +12,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import TypeChangedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "TypeChangedFromClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/_operations.py b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/_operations.py
index d2ac8a7194b..f4f5b35faa5 100644
--- a/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/azure/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class TypeChangedFromClientOperationsMixin(
+class _TypeChangedFromClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], TypeChangedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_client.py b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_client.py
index e61a01362ca..b809f321bd0 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_client.py
@@ -9,11 +9,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import ApiKeyClientConfiguration
-from ._operations import ApiKeyClientOperationsMixin
+from ._operations._operations import _ApiKeyClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class ApiKeyClient(ApiKeyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ApiKeyClient(_ApiKeyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with ApiKey authentication.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_operations/__init__.py
index 75ed62e925b..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ApiKeyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ApiKeyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_operations/_operations.py
index ae30a6a948d..c2c0f07f7da 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/_operations/_operations.py
@@ -49,7 +49,9 @@ def build_api_key_invalid_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class ApiKeyClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ApiKeyClientConfiguration]):
+class _ApiKeyClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ApiKeyClientConfiguration]
+):
 
     def valid(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """Check whether client is authenticated.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_client.py b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_client.py
index f31f262eac3..028cb9f347e 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_client.py
@@ -10,10 +10,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ApiKeyClientConfiguration
-from ._operations import ApiKeyClientOperationsMixin
+from ._operations._operations import _ApiKeyClientOperationsMixin
 
 
-class ApiKeyClient(ApiKeyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class ApiKeyClient(_ApiKeyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with ApiKey authentication.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_operations/__init__.py
index 75ed62e925b..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ApiKeyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ApiKeyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_operations/_operations.py
index 73e71889c5b..bdc739e3998 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-api-key/authentication/apikey/aio/_operations/_operations.py
@@ -24,7 +24,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ApiKeyClientOperationsMixin(
+class _ApiKeyClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ApiKeyClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_client.py b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_client.py
index ce811a4f2a9..3a8f909d83f 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_client.py
@@ -9,11 +9,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import CustomClientConfiguration
-from ._operations import CustomClientOperationsMixin
+from ._operations._operations import _CustomClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class CustomClient(CustomClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class CustomClient(_CustomClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with generic HTTP auth.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_operations/__init__.py
index f3391222533..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import CustomClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "CustomClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_operations/_operations.py
index 04c665cc547..9912506b033 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/_operations/_operations.py
@@ -49,7 +49,9 @@ def build_custom_invalid_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class CustomClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], CustomClientConfiguration]):
+class _CustomClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], CustomClientConfiguration]
+):
 
     def valid(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """Check whether client is authenticated.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_client.py b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_client.py
index fd4627b369f..1a0c96328e8 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_client.py
@@ -10,10 +10,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import CustomClientConfiguration
-from ._operations import CustomClientOperationsMixin
+from ._operations._operations import _CustomClientOperationsMixin
 
 
-class CustomClient(CustomClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class CustomClient(_CustomClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with generic HTTP auth.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_operations/__init__.py
index f3391222533..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import CustomClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "CustomClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_operations/_operations.py
index ea59e211b5e..45010da7895 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-http-custom/authentication/http/custom/aio/_operations/_operations.py
@@ -24,7 +24,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class CustomClientOperationsMixin(
+class _CustomClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], CustomClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_client.py b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_client.py
index 3d0f5eadeb1..94e94e7d726 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_client.py
@@ -8,14 +8,14 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import OAuth2ClientConfiguration
-from ._operations import OAuth2ClientOperationsMixin
+from ._operations._operations import _OAuth2ClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
     from corehttp.credentials import TokenCredential
 
 
-class OAuth2Client(OAuth2ClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class OAuth2Client(_OAuth2ClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with OAuth2 authentication.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_operations/__init__.py
index a8ae5b8db90..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import OAuth2ClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "OAuth2ClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_operations/_operations.py
index 7e9957fd8b2..b8c8eb49202 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/_operations/_operations.py
@@ -49,7 +49,9 @@ def build_oauth2_invalid_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class OAuth2ClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], OAuth2ClientConfiguration]):
+class _OAuth2ClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], OAuth2ClientConfiguration]
+):
 
     def valid(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """Check whether client is authenticated.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_client.py b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_client.py
index 960ed15f710..e9cf2c2379d 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_client.py
@@ -9,13 +9,13 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import OAuth2ClientConfiguration
-from ._operations import OAuth2ClientOperationsMixin
+from ._operations._operations import _OAuth2ClientOperationsMixin
 
 if TYPE_CHECKING:
     from corehttp.credentials import AsyncTokenCredential
 
 
-class OAuth2Client(OAuth2ClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class OAuth2Client(_OAuth2ClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with OAuth2 authentication.
 
     :param credential: Credential used to authenticate requests to the service. Required.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_operations/__init__.py
index a8ae5b8db90..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import OAuth2ClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "OAuth2ClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_operations/_operations.py
index 6f6ac65bdcf..9c1bbded70b 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-oauth2/authentication/oauth2/aio/_operations/_operations.py
@@ -24,7 +24,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class OAuth2ClientOperationsMixin(
+class _OAuth2ClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], OAuth2ClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_client.py b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_client.py
index c7d590f28d0..af45ed6b6d1 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_client.py
@@ -9,14 +9,14 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import UnionClientConfiguration
-from ._operations import UnionClientOperationsMixin
+from ._operations._operations import _UnionClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 if TYPE_CHECKING:
     from corehttp.credentials import TokenCredential
 
 
-class UnionClient(UnionClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class UnionClient(_UnionClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with ApiKey and OAuth2 authentication.
 
     :param credential: Credential used to authenticate requests to the service. Is either a key
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_operations/__init__.py
index 60f017105a1..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import UnionClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "UnionClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_operations/_operations.py
index 76d904c2651..abcaa1b0bfe 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/_operations/_operations.py
@@ -39,7 +39,7 @@ def build_union_valid_token_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class UnionClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], UnionClientConfiguration]):
+class _UnionClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], UnionClientConfiguration]):
 
     def valid_key(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """Check whether client is authenticated.
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_client.py b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_client.py
index 7156ca6d0f2..ff8b1ecde10 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_client.py
@@ -10,13 +10,13 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import UnionClientConfiguration
-from ._operations import UnionClientOperationsMixin
+from ._operations._operations import _UnionClientOperationsMixin
 
 if TYPE_CHECKING:
     from corehttp.credentials import AsyncTokenCredential
 
 
-class UnionClient(UnionClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class UnionClient(_UnionClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates clients generated with ApiKey and OAuth2 authentication.
 
     :param credential: Credential used to authenticate requests to the service. Is either a key
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_operations/__init__.py
index 60f017105a1..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import UnionClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "UnionClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_operations/_operations.py
index 4ad600d43a1..66e4eb56094 100644
--- a/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/authentication-union/authentication/union/aio/_operations/_operations.py
@@ -22,7 +22,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class UnionClientOperationsMixin(
+class _UnionClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], UnionClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_client.py b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_client.py
index 2eb2697b7a0..200f704cdff 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_operations/__init__.py
index f37267ce280..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_operations/_operations.py
index 18cee4e0b42..4b71ce44b92 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/_operations/_operations.py
@@ -145,7 +145,7 @@ def build_visibility_put_read_only_model_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_client.py b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_client.py
index 231c07fd58f..014f0fbce20 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/__init__.py
index f37267ce280..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/_operations.py
index 6ed2985d977..6b3462b1c34 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleanfalse/headasbooleanfalse/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_client.py b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_client.py
index 2eb2697b7a0..200f704cdff 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_operations/__init__.py
index f37267ce280..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_operations/_operations.py
index f05fab111e1..ee5a438611a 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/_operations/_operations.py
@@ -145,7 +145,7 @@ def build_visibility_put_read_only_model_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_client.py b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_client.py
index 231c07fd58f..014f0fbce20 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_operations/__init__.py
index f37267ce280..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_operations/_operations.py
index 19e07f2718c..527f6d1063b 100644
--- a/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/headasbooleantrue/headasbooleantrue/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_client.py b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_client.py
index 7b78ec9d2ca..c8fba7140b3 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_client.py
@@ -8,12 +8,14 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import BodyOptionalityClientConfiguration
-from ._operations import BodyOptionalityClientOperationsMixin
+from ._operations._operations import _BodyOptionalityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 from .optionalexplicit.operations import OptionalExplicitOperations
 
 
-class BodyOptionalityClient(BodyOptionalityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class BodyOptionalityClient(
+    _BodyOptionalityClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test describing optionality of the request body.
 
     :ivar optional_explicit: OptionalExplicitOperations operations
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/__init__.py
index 1260e3464df..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import BodyOptionalityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "BodyOptionalityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/_operations.py
index 0efcede44d2..16f1a8c9056 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/_operations/_operations.py
@@ -60,7 +60,7 @@ def build_body_optionality_required_implicit_request(**kwargs: Any) -> HttpReque
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class BodyOptionalityClientOperationsMixin(
+class _BodyOptionalityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], BodyOptionalityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_client.py b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_client.py
index 7244b5011ab..231051e5303 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_client.py
@@ -10,10 +10,12 @@
 from .._utils.serialization import Deserializer, Serializer
 from ..optionalexplicit.aio.operations import OptionalExplicitOperations
 from ._configuration import BodyOptionalityClientConfiguration
-from ._operations import BodyOptionalityClientOperationsMixin
+from ._operations._operations import _BodyOptionalityClientOperationsMixin
 
 
-class BodyOptionalityClient(BodyOptionalityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class BodyOptionalityClient(
+    _BodyOptionalityClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test describing optionality of the request body.
 
     :ivar optional_explicit: OptionalExplicitOperations operations
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/__init__.py
index 1260e3464df..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import BodyOptionalityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "BodyOptionalityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/_operations.py
index 3b4be66b22c..24df5846695 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-body-optionality/parameters/bodyoptionality/aio/_operations/_operations.py
@@ -32,7 +32,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class BodyOptionalityClientOperationsMixin(
+class _BodyOptionalityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], BodyOptionalityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_client.py b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_client.py
index c72b58a8fb8..bf3445b15ea 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import PathClientConfiguration
-from ._operations import PathClientOperationsMixin
+from ._operations._operations import _PathClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class PathClient(PathClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PathClient(_PathClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for path parameters cases.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_operations/__init__.py
index 5580c02c816..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import PathClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "PathClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_operations/_operations.py
index 7dc9594e82f..a855fa4ba39 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/_operations/_operations.py
@@ -49,7 +49,7 @@ def build_path_optional_request(*, name: Optional[str] = None, **kwargs: Any) ->
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class PathClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], PathClientConfiguration]):
+class _PathClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], PathClientConfiguration]):
 
     def normal(self, name: str, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """normal.
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_client.py b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_client.py
index e0a87814eb1..21da5b38416 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import PathClientConfiguration
-from ._operations import PathClientOperationsMixin
+from ._operations._operations import _PathClientOperationsMixin
 
 
-class PathClient(PathClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class PathClient(_PathClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for path parameters cases.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_operations/__init__.py
index 5580c02c816..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import PathClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "PathClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_operations/_operations.py
index e716f5f0bdd..5ea593503c8 100644
--- a/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/parameters-path/parameters/path/aio/_operations/_operations.py
@@ -22,7 +22,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class PathClientOperationsMixin(
+class _PathClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], PathClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_client.py b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_client.py
index 8631f6e82d4..e2afa8fed56 100644
--- a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import JsonMergePatchClientConfiguration
-from ._operations import JsonMergePatchClientOperationsMixin
+from ._operations._operations import _JsonMergePatchClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class JsonMergePatchClient(JsonMergePatchClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class JsonMergePatchClient(_JsonMergePatchClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for merge-patch+json content-type.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/__init__.py
index 8f453330e80..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import JsonMergePatchClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "JsonMergePatchClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/_operations.py
index 0f6a6f4995b..00e39a15e7e 100644
--- a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/_operations/_operations.py
@@ -86,7 +86,7 @@ def build_json_merge_patch_update_optional_resource_request(  # pylint: disable=
     return HttpRequest(method="PATCH", url=_url, headers=_headers, **kwargs)
 
 
-class JsonMergePatchClientOperationsMixin(
+class _JsonMergePatchClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], JsonMergePatchClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_client.py b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_client.py
index 08ddddcb63e..17e0b18dd5c 100644
--- a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import JsonMergePatchClientConfiguration
-from ._operations import JsonMergePatchClientOperationsMixin
+from ._operations._operations import _JsonMergePatchClientOperationsMixin
 
 
-class JsonMergePatchClient(JsonMergePatchClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class JsonMergePatchClient(_JsonMergePatchClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for merge-patch+json content-type.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/__init__.py
index 8f453330e80..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import JsonMergePatchClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "JsonMergePatchClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/_operations.py
index 83f4ec97a84..cde1a81d0ba 100644
--- a/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/payload-json-merge-patch/payload/jsonmergepatch/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class JsonMergePatchClientOperationsMixin(
+class _JsonMergePatchClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], JsonMergePatchClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_client.py b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_client.py
index 8b84c8452de..19c9c9a5ed5 100644
--- a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_client.py
@@ -8,11 +8,13 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import StatusCodeRangeClientConfiguration
-from ._operations import StatusCodeRangeClientOperationsMixin
+from ._operations._operations import _StatusCodeRangeClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class StatusCodeRangeClient(StatusCodeRangeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class StatusCodeRangeClient(
+    _StatusCodeRangeClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test for range of status code.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_operations/__init__.py
index 231dcad49dc..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import StatusCodeRangeClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "StatusCodeRangeClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_operations/_operations.py
index 505c516bd7d..a41ccae8907 100644
--- a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/_operations/_operations.py
@@ -60,7 +60,7 @@ def build_status_code_range_error_response_status_code404_request(  # pylint: di
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class StatusCodeRangeClientOperationsMixin(
+class _StatusCodeRangeClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], StatusCodeRangeClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_client.py b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_client.py
index ad112d8d2d0..23808c714a8 100644
--- a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_client.py
@@ -9,10 +9,12 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import StatusCodeRangeClientConfiguration
-from ._operations import StatusCodeRangeClientOperationsMixin
+from ._operations._operations import _StatusCodeRangeClientOperationsMixin
 
 
-class StatusCodeRangeClient(StatusCodeRangeClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class StatusCodeRangeClient(
+    _StatusCodeRangeClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test for range of status code.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_operations/__init__.py
index 231dcad49dc..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import StatusCodeRangeClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "StatusCodeRangeClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_operations/_operations.py
index 58c860be3f0..22ea7c88e1d 100644
--- a/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/response-status-code-range/response/statuscoderange/aio/_operations/_operations.py
@@ -27,7 +27,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class StatusCodeRangeClientOperationsMixin(
+class _StatusCodeRangeClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], StatusCodeRangeClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/routes/routes/_client.py b/packages/typespec-python/test/unbranded/generated/routes/routes/_client.py
index 9fe0c699af3..bcdee096ec7 100644
--- a/packages/typespec-python/test/unbranded/generated/routes/routes/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/routes/routes/_client.py
@@ -9,12 +9,13 @@
 
 from ._configuration import RoutesClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import InInterfaceOperations, RoutesClientOperationsMixin
+from .operations import InInterfaceOperations
+from .operations._operations import _RoutesClientOperationsMixin
 from .pathparameters.operations import PathParametersOperations
 from .queryparameters.operations import QueryParametersOperations
 
 
-class RoutesClient(RoutesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RoutesClient(_RoutesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Define scenario in building the http route/uri.
 
     :ivar path_parameters: PathParametersOperations operations
diff --git a/packages/typespec-python/test/unbranded/generated/routes/routes/aio/_client.py b/packages/typespec-python/test/unbranded/generated/routes/routes/aio/_client.py
index a78bf81fd0a..459094196c6 100644
--- a/packages/typespec-python/test/unbranded/generated/routes/routes/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/routes/routes/aio/_client.py
@@ -11,10 +11,11 @@
 from ..pathparameters.aio.operations import PathParametersOperations
 from ..queryparameters.aio.operations import QueryParametersOperations
 from ._configuration import RoutesClientConfiguration
-from .operations import InInterfaceOperations, RoutesClientOperationsMixin
+from .operations import InInterfaceOperations
+from .operations._operations import _RoutesClientOperationsMixin
 
 
-class RoutesClient(RoutesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RoutesClient(_RoutesClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Define scenario in building the http route/uri.
 
     :ivar path_parameters: PathParametersOperations operations
diff --git a/packages/typespec-python/test/unbranded/generated/routes/routes/aio/operations/__init__.py b/packages/typespec-python/test/unbranded/generated/routes/routes/aio/operations/__init__.py
index 7a27dea1544..426da78e8ab 100644
--- a/packages/typespec-python/test/unbranded/generated/routes/routes/aio/operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/routes/routes/aio/operations/__init__.py
@@ -7,7 +7,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import InInterfaceOperations  # type: ignore
-from ._operations import RoutesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -15,7 +14,6 @@
 
 __all__ = [
     "InInterfaceOperations",
-    "RoutesClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/routes/routes/aio/operations/_operations.py b/packages/typespec-python/test/unbranded/generated/routes/routes/aio/operations/_operations.py
index 395a2b01356..d3f19a6b347 100644
--- a/packages/typespec-python/test/unbranded/generated/routes/routes/aio/operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/routes/routes/aio/operations/_operations.py
@@ -82,7 +82,7 @@ async def fixed(self, **kwargs: Any) -> None:
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class RoutesClientOperationsMixin(
+class _RoutesClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RoutesClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/routes/routes/operations/__init__.py b/packages/typespec-python/test/unbranded/generated/routes/routes/operations/__init__.py
index 7a27dea1544..426da78e8ab 100644
--- a/packages/typespec-python/test/unbranded/generated/routes/routes/operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/routes/routes/operations/__init__.py
@@ -7,7 +7,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import InInterfaceOperations  # type: ignore
-from ._operations import RoutesClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -15,7 +14,6 @@
 
 __all__ = [
     "InInterfaceOperations",
-    "RoutesClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/routes/routes/operations/_operations.py b/packages/typespec-python/test/unbranded/generated/routes/routes/operations/_operations.py
index dda156e94b9..926ab70d6b0 100644
--- a/packages/typespec-python/test/unbranded/generated/routes/routes/operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/routes/routes/operations/_operations.py
@@ -98,7 +98,9 @@ def fixed(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-s
             return cls(pipeline_response, None, {})  # type: ignore
 
 
-class RoutesClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RoutesClientConfiguration]):
+class _RoutesClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RoutesClientConfiguration]
+):
 
     def fixed(self, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """fixed.
diff --git a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_client.py b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_client.py
index 96913e9501c..378bac69ee2 100644
--- a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import NotDefinedClientConfiguration
-from ._operations import NotDefinedClientOperationsMixin
+from ._operations._operations import _NotDefinedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class NotDefinedClient(NotDefinedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NotDefinedClient(_NotDefinedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates server doesn't define endpoint. Client should automatically add an endpoint to let
     user pass in.
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/__init__.py
index b51fcf0673d..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotDefinedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotDefinedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/_operations.py
index 07a3ab9391a..0546abf17cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/_operations/_operations.py
@@ -32,7 +32,7 @@ def build_not_defined_valid_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class NotDefinedClientOperationsMixin(
+class _NotDefinedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NotDefinedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_client.py b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_client.py
index 5f0ae452419..683d06d8a7d 100644
--- a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import NotDefinedClientConfiguration
-from ._operations import NotDefinedClientOperationsMixin
+from ._operations._operations import _NotDefinedClientOperationsMixin
 
 
-class NotDefinedClient(NotDefinedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NotDefinedClient(_NotDefinedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates server doesn't define endpoint. Client should automatically add an endpoint to let
     user pass in.
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/__init__.py
index b51fcf0673d..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotDefinedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotDefinedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/_operations.py
index 82bc1794545..499e8ebcfa9 100644
--- a/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-endpoint-not-defined/server/endpoint/notdefined/aio/_operations/_operations.py
@@ -22,7 +22,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class NotDefinedClientOperationsMixin(
+class _NotDefinedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], NotDefinedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_client.py b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_client.py
index 5f38d002037..49e837d053e 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import MultipleClientConfiguration
-from ._operations import MultipleClientOperationsMixin
+from ._operations._operations import _MultipleClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class MultipleClient(MultipleClientOperationsMixin):
+class MultipleClient(_MultipleClientOperationsMixin):
     """MultipleClient.
 
     :param endpoint: Pass in `http://localhost:3000 <http://localhost:3000>`_ for endpoint.
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_operations/__init__.py
index 9c00f4ab124..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MultipleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultipleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_operations/_operations.py
index a466bbb24bc..4a04557ae15 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/_operations/_operations.py
@@ -46,7 +46,7 @@ def build_multiple_with_operation_path_param_request(  # pylint: disable=name-to
     return HttpRequest(method="GET", url=_url, **kwargs)
 
 
-class MultipleClientOperationsMixin(
+class _MultipleClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MultipleClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_client.py b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_client.py
index 8f798274a0b..73330980a03 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MultipleClientConfiguration
-from ._operations import MultipleClientOperationsMixin
+from ._operations._operations import _MultipleClientOperationsMixin
 
 
-class MultipleClient(MultipleClientOperationsMixin):
+class MultipleClient(_MultipleClientOperationsMixin):
     """MultipleClient.
 
     :param endpoint: Pass in `http://localhost:3000 <http://localhost:3000>`_ for endpoint.
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_operations/__init__.py
index 9c00f4ab124..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MultipleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MultipleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_operations/_operations.py
index 4673a378602..81def6ec12c 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-multiple/server/path/multiple/aio/_operations/_operations.py
@@ -25,7 +25,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MultipleClientOperationsMixin(
+class _MultipleClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MultipleClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_client.py b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_client.py
index ebbf861b448..ddf9cc67157 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import SingleClientConfiguration
-from ._operations import SingleClientOperationsMixin
+from ._operations._operations import _SingleClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class SingleClient(SingleClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class SingleClient(_SingleClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates server with a single path parameter @server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_operations/__init__.py
index d8945d4e062..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import SingleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SingleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_operations/_operations.py
index c0386cc7856..5cddfb30877 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/_operations/_operations.py
@@ -32,7 +32,9 @@ def build_single_my_op_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class SingleClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], SingleClientConfiguration]):
+class _SingleClientOperationsMixin(
+    ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], SingleClientConfiguration]
+):
 
     def my_op(self, **kwargs: Any) -> bool:
         """my_op.
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_client.py b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_client.py
index fcb85d526c8..08ad85ee685 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import SingleClientConfiguration
-from ._operations import SingleClientOperationsMixin
+from ._operations._operations import _SingleClientOperationsMixin
 
 
-class SingleClient(SingleClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class SingleClient(_SingleClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates server with a single path parameter @server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_operations/__init__.py
index d8945d4e062..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import SingleClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SingleClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_operations/_operations.py
index e12674e8909..97eba89f508 100644
--- a/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-path-single/server/path/single/aio/_operations/_operations.py
@@ -22,7 +22,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class SingleClientOperationsMixin(
+class _SingleClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], SingleClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_client.py b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_client.py
index 70adb872b5b..8e508101762 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import NotVersionedClientConfiguration
-from ._operations import NotVersionedClientOperationsMixin
+from ._operations._operations import _NotVersionedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class NotVersionedClient(NotVersionedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NotVersionedClient(_NotVersionedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates not-versioned server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_operations/__init__.py
index ca066e2178c..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotVersionedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotVersionedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_operations/_operations.py
index 49339ace800..cf763d8d4ca 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/_operations/_operations.py
@@ -61,7 +61,7 @@ def build_not_versioned_with_path_api_version_request(  # pylint: disable=name-t
     return HttpRequest(method="HEAD", url=_url, **kwargs)
 
 
-class NotVersionedClientOperationsMixin(
+class _NotVersionedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NotVersionedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_client.py b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_client.py
index 9ad89bb4c52..cdc08d19f9f 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import NotVersionedClientConfiguration
-from ._operations import NotVersionedClientOperationsMixin
+from ._operations._operations import _NotVersionedClientOperationsMixin
 
 
-class NotVersionedClient(NotVersionedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class NotVersionedClient(_NotVersionedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates not-versioned server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/__init__.py
index ca066e2178c..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotVersionedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotVersionedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/_operations.py
index 3b04d20cecc..36c29c22bc8 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-not-versioned/server/versions/notversioned/aio/_operations/_operations.py
@@ -26,7 +26,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class NotVersionedClientOperationsMixin(
+class _NotVersionedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], NotVersionedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_client.py b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_client.py
index bab9e4459df..c006b578200 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import VersionedClientConfiguration
-from ._operations import VersionedClientOperationsMixin
+from ._operations._operations import _VersionedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class VersionedClient(VersionedClientOperationsMixin):
+class VersionedClient(_VersionedClientOperationsMixin):
     """Illustrates versioned server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_operations/__init__.py
index eb7e8e013de..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VersionedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VersionedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_operations/_operations.py
index c7f47e9674f..f83d8465dd2 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/_operations/_operations.py
@@ -72,7 +72,7 @@ def build_versioned_with_query_old_api_version_request(**kwargs: Any) -> HttpReq
     return HttpRequest(method="HEAD", url=_url, params=_params, **kwargs)
 
 
-class VersionedClientOperationsMixin(
+class _VersionedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], VersionedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_client.py b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_client.py
index 313afe379df..20f6dd8f949 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import VersionedClientConfiguration
-from ._operations import VersionedClientOperationsMixin
+from ._operations._operations import _VersionedClientOperationsMixin
 
 
-class VersionedClient(VersionedClientOperationsMixin):
+class VersionedClient(_VersionedClientOperationsMixin):
     """Illustrates versioned server.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_operations/__init__.py
index eb7e8e013de..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VersionedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VersionedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_operations/_operations.py
index 51682d89e7d..457ea55f805 100644
--- a/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/server-versions-versioned/server/versions/versioned/aio/_operations/_operations.py
@@ -27,7 +27,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class VersionedClientOperationsMixin(
+class _VersionedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], VersionedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_client.py b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_client.py
index 212a11bd11d..6318546f8e9 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_client.py
@@ -8,12 +8,12 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import ConditionalRequestClientConfiguration
-from ._operations import ConditionalRequestClientOperationsMixin
+from ._operations._operations import _ConditionalRequestClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class ConditionalRequestClient(
-    ConditionalRequestClientOperationsMixin
+    _ConditionalRequestClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates conditional request headers.
 
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/__init__.py
index 6fac784f674..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ConditionalRequestClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ConditionalRequestClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py
index 144e66756d6..3443bacd5c9 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/_operations/_operations.py
@@ -97,7 +97,7 @@ def build_conditional_request_post_if_unmodified_since_request(  # pylint: disab
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class ConditionalRequestClientOperationsMixin(
+class _ConditionalRequestClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ConditionalRequestClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_client.py b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_client.py
index 3811114ee18..4d69d8c33f0 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_client.py
@@ -9,11 +9,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ConditionalRequestClientConfiguration
-from ._operations import ConditionalRequestClientOperationsMixin
+from ._operations._operations import _ConditionalRequestClientOperationsMixin
 
 
 class ConditionalRequestClient(
-    ConditionalRequestClientOperationsMixin
+    _ConditionalRequestClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates conditional request headers.
 
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/__init__.py
index 6fac784f674..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ConditionalRequestClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ConditionalRequestClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/_operations.py
index 9ac47a1fad6..5194536b8c8 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-conditional-request/specialheaders/conditionalrequest/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ConditionalRequestClientOperationsMixin(
+class _ConditionalRequestClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ConditionalRequestClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_client.py b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_client.py
index 6cf7c076018..ad791052c17 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import RepeatabilityClientConfiguration
-from ._operations import RepeatabilityClientOperationsMixin
+from ._operations._operations import _RepeatabilityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class RepeatabilityClient(RepeatabilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RepeatabilityClient(_RepeatabilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates OASIS repeatability headers.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_operations/__init__.py
index 6ce4232d4d4..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RepeatabilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RepeatabilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_operations/_operations.py
index bfa6fd357c6..ac71c8c38ca 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/_operations/_operations.py
@@ -45,7 +45,7 @@ def build_repeatability_immediate_success_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class RepeatabilityClientOperationsMixin(
+class _RepeatabilityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RepeatabilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_client.py b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_client.py
index abd20e4628e..77fa5230034 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RepeatabilityClientConfiguration
-from ._operations import RepeatabilityClientOperationsMixin
+from ._operations._operations import _RepeatabilityClientOperationsMixin
 
 
-class RepeatabilityClient(RepeatabilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RepeatabilityClient(_RepeatabilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates OASIS repeatability headers.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/__init__.py
index 6ce4232d4d4..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RepeatabilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RepeatabilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/_operations.py
index 1e9fbc585bc..396f1f32cc1 100644
--- a/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/special-headers-repeatability/specialheaders/repeatability/aio/_operations/_operations.py
@@ -22,7 +22,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class RepeatabilityClientOperationsMixin(
+class _RepeatabilityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RepeatabilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_client.py
index ab62b05bb86..6c984570314 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import EmptyClientConfiguration
-from ._operations import EmptyClientOperationsMixin
+from ._operations._operations import _EmptyClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class EmptyClient(EmptyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class EmptyClient(_EmptyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates usage of empty model used in operation's parameters and responses.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_operations/__init__.py
index 9cd2961533b..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import EmptyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "EmptyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_operations/_operations.py
index bcef3e5149c..f9003f715fb 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/_operations/_operations.py
@@ -78,7 +78,7 @@ def build_empty_post_round_trip_empty_request(**kwargs: Any) -> HttpRequest:  #
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class EmptyClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], EmptyClientConfiguration]):
+class _EmptyClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], EmptyClientConfiguration]):
 
     @overload
     def put_empty(self, input: _models.EmptyInput, *, content_type: str = "application/json", **kwargs: Any) -> None:
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_client.py
index 941e84034b1..6d5cba7b319 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import EmptyClientConfiguration
-from ._operations import EmptyClientOperationsMixin
+from ._operations._operations import _EmptyClientOperationsMixin
 
 
-class EmptyClient(EmptyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class EmptyClient(_EmptyClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates usage of empty model used in operation's parameters and responses.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_operations/__init__.py
index 9cd2961533b..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import EmptyClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "EmptyClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_operations/_operations.py
index 2d3b711cf4f..c7b4dcccfc0 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-empty/typetest/model/empty/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class EmptyClientOperationsMixin(
+class _EmptyClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], EmptyClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_client.py
index 761db957531..b879dbf5ef0 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_client.py
@@ -8,12 +8,12 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import EnumDiscriminatorClientConfiguration
-from ._operations import EnumDiscriminatorClientOperationsMixin
+from ._operations._operations import _EnumDiscriminatorClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class EnumDiscriminatorClient(
-    EnumDiscriminatorClientOperationsMixin
+    _EnumDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance with enum discriminator.
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/__init__.py
index 84681b7eb61..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import EnumDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "EnumDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/_operations.py
index c5af0c342c3..27002e2c307 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/_operations/_operations.py
@@ -157,7 +157,7 @@ def build_enum_discriminator_get_fixed_model_wrong_discriminator_request(  # pyl
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class EnumDiscriminatorClientOperationsMixin(
+class _EnumDiscriminatorClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], EnumDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_client.py
index 3f27b53dc9f..8c49a254330 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_client.py
@@ -9,11 +9,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import EnumDiscriminatorClientConfiguration
-from ._operations import EnumDiscriminatorClientOperationsMixin
+from ._operations._operations import _EnumDiscriminatorClientOperationsMixin
 
 
 class EnumDiscriminatorClient(
-    EnumDiscriminatorClientOperationsMixin
+    _EnumDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance with enum discriminator.
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/__init__.py
index 84681b7eb61..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import EnumDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "EnumDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/_operations.py
index ba220f76b33..dfecd8bfcfb 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-enumdiscriminator/typetest/model/enumdiscriminator/aio/_operations/_operations.py
@@ -39,7 +39,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class EnumDiscriminatorClientOperationsMixin(
+class _EnumDiscriminatorClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], EnumDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_client.py
index 7dd5f4fce5d..c52af2f6540 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_client.py
@@ -8,12 +8,12 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import NestedDiscriminatorClientConfiguration
-from ._operations import NestedDiscriminatorClientOperationsMixin
+from ._operations._operations import _NestedDiscriminatorClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class NestedDiscriminatorClient(
-    NestedDiscriminatorClientOperationsMixin
+    _NestedDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates multiple level inheritance with multiple discriminators.
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/__init__.py
index 6fcbbb5a90c..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NestedDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NestedDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/_operations.py
index c7cd362d370..889bf0c3226 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/_operations/_operations.py
@@ -125,7 +125,7 @@ def build_nested_discriminator_get_wrong_discriminator_request(  # pylint: disab
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class NestedDiscriminatorClientOperationsMixin(
+class _NestedDiscriminatorClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NestedDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_client.py
index 549567a64ef..246c63a8ae8 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_client.py
@@ -9,11 +9,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import NestedDiscriminatorClientConfiguration
-from ._operations import NestedDiscriminatorClientOperationsMixin
+from ._operations._operations import _NestedDiscriminatorClientOperationsMixin
 
 
 class NestedDiscriminatorClient(
-    NestedDiscriminatorClientOperationsMixin
+    _NestedDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates multiple level inheritance with multiple discriminators.
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/__init__.py
index 6fcbbb5a90c..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NestedDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NestedDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/_operations.py
index 86c4a0d083e..61490b6b028 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-nesteddiscriminator/typetest/model/nesteddiscriminator/aio/_operations/_operations.py
@@ -37,7 +37,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class NestedDiscriminatorClientOperationsMixin(
+class _NestedDiscriminatorClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], NestedDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_client.py
index 0226f54bb38..8a1ea37a048 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_client.py
@@ -8,12 +8,12 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import NotDiscriminatedClientConfiguration
-from ._operations import NotDiscriminatedClientOperationsMixin
+from ._operations._operations import _NotDiscriminatedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class NotDiscriminatedClient(
-    NotDiscriminatedClientOperationsMixin
+    _NotDiscriminatedClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates not-discriminated inheritance model.
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/__init__.py
index 49c7a65eb1e..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotDiscriminatedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotDiscriminatedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/_operations.py
index 1a64521aed4..058d3961ad2 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/_operations/_operations.py
@@ -78,7 +78,7 @@ def build_not_discriminated_put_valid_request(**kwargs: Any) -> HttpRequest:  #
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class NotDiscriminatedClientOperationsMixin(
+class _NotDiscriminatedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], NotDiscriminatedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_client.py
index 7c262899509..4841a1d7463 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_client.py
@@ -9,11 +9,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import NotDiscriminatedClientConfiguration
-from ._operations import NotDiscriminatedClientOperationsMixin
+from ._operations._operations import _NotDiscriminatedClientOperationsMixin
 
 
 class NotDiscriminatedClient(
-    NotDiscriminatedClientOperationsMixin
+    _NotDiscriminatedClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates not-discriminated inheritance model.
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/__init__.py
index 49c7a65eb1e..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import NotDiscriminatedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "NotDiscriminatedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/_operations.py
index c535c73bd15..78f2a01daed 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-notdiscriminated/typetest/model/notdiscriminated/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class NotDiscriminatedClientOperationsMixin(
+class _NotDiscriminatedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], NotDiscriminatedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_client.py
index ffa0c755772..55e13d36508 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import RecursiveClientConfiguration
-from ._operations import RecursiveClientOperationsMixin
+from ._operations._operations import _RecursiveClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class RecursiveClient(RecursiveClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RecursiveClient(_RecursiveClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance recursion.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_operations/__init__.py
index c92a47b2a4b..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RecursiveClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RecursiveClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_operations/_operations.py
index 892b20a4f68..9fcca0b0c50 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/_operations/_operations.py
@@ -61,7 +61,7 @@ def build_recursive_get_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class RecursiveClientOperationsMixin(
+class _RecursiveClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RecursiveClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_client.py
index efa331ea433..2b9554d2e4c 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RecursiveClientConfiguration
-from ._operations import RecursiveClientOperationsMixin
+from ._operations._operations import _RecursiveClientOperationsMixin
 
 
-class RecursiveClient(RecursiveClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RecursiveClient(_RecursiveClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance recursion.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/__init__.py
index c92a47b2a4b..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RecursiveClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RecursiveClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/_operations.py
index 264b83a3e51..1808839d070 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-recursive/typetest/model/recursive/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class RecursiveClientOperationsMixin(
+class _RecursiveClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RecursiveClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_client.py
index 7bf0ef946db..c72e2c6289a 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_client.py
@@ -8,12 +8,12 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import SingleDiscriminatorClientConfiguration
-from ._operations import SingleDiscriminatorClientOperationsMixin
+from ._operations._operations import _SingleDiscriminatorClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class SingleDiscriminatorClient(
-    SingleDiscriminatorClientOperationsMixin
+    _SingleDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance with single discriminator.
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/__init__.py
index b94eaf567db..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import SingleDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SingleDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/_operations.py
index 0de455825ff..3624e478a48 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/_operations/_operations.py
@@ -139,7 +139,7 @@ def build_single_discriminator_get_legacy_model_request(**kwargs: Any) -> HttpRe
     return HttpRequest(method="GET", url=_url, headers=_headers, **kwargs)
 
 
-class SingleDiscriminatorClientOperationsMixin(
+class _SingleDiscriminatorClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], SingleDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_client.py
index e89230ee977..c674728da12 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_client.py
@@ -9,11 +9,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import SingleDiscriminatorClientConfiguration
-from ._operations import SingleDiscriminatorClientOperationsMixin
+from ._operations._operations import _SingleDiscriminatorClientOperationsMixin
 
 
 class SingleDiscriminatorClient(
-    SingleDiscriminatorClientOperationsMixin
+    _SingleDiscriminatorClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates inheritance with single discriminator.
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/__init__.py
index b94eaf567db..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import SingleDiscriminatorClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "SingleDiscriminatorClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/_operations.py
index aabf7a9b1d0..1f9e1b3edb9 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-singlediscriminator/typetest/model/singlediscriminator/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class SingleDiscriminatorClientOperationsMixin(
+class _SingleDiscriminatorClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], SingleDiscriminatorClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_client.py
index 6e3d4b5ea9f..c00b6edf7f5 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import UsageClientConfiguration
-from ._operations import UsageClientOperationsMixin
+from ._operations._operations import _UsageClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class UsageClient(UsageClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class UsageClient(_UsageClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates usage of Record in different places(Operation parameters, return type or both).
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_operations/__init__.py
index 1f497c19efd..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import UsageClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "UsageClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_operations/_operations.py
index 4eab922f2f4..c6f16c548d0 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/_operations/_operations.py
@@ -78,7 +78,7 @@ def build_usage_input_and_output_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class UsageClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], UsageClientConfiguration]):
+class _UsageClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], UsageClientConfiguration]):
 
     @overload
     def input(self, input: _models.InputRecord, *, content_type: str = "application/json", **kwargs: Any) -> None:
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_client.py
index c9523a5c3e2..151c4781de7 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import UsageClientConfiguration
-from ._operations import UsageClientOperationsMixin
+from ._operations._operations import _UsageClientOperationsMixin
 
 
-class UsageClient(UsageClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class UsageClient(_UsageClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates usage of Record in different places(Operation parameters, return type or both).
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_operations/__init__.py
index 1f497c19efd..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import UsageClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "UsageClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_operations/_operations.py
index 7e1aa069f5a..5e3b6e27cc1 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-usage/typetest/model/usage/aio/_operations/_operations.py
@@ -34,7 +34,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class UsageClientOperationsMixin(
+class _UsageClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], UsageClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_client.py
index 2eb2697b7a0..200f704cdff 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_operations/__init__.py
index f37267ce280..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_operations/_operations.py
index 46d1b748536..4a2a8dfd109 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/_operations/_operations.py
@@ -145,7 +145,7 @@ def build_visibility_put_read_only_model_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="PUT", url=_url, headers=_headers, **kwargs)
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_client.py b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_client.py
index 231c07fd58f..014f0fbce20 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import VisibilityClientConfiguration
-from ._operations import VisibilityClientOperationsMixin
+from ._operations._operations import _VisibilityClientOperationsMixin
 
 
-class VisibilityClient(VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class VisibilityClient(_VisibilityClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Illustrates models with visibility properties.
 
     :keyword endpoint: Service host. Default value is "http://localhost:3000".
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/__init__.py
index f37267ce280..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import VisibilityClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "VisibilityClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/_operations.py
index e189bc9f5e4..98c4d230ce7 100644
--- a/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/typetest-model-visibility/typetest/model/visibility/aio/_operations/_operations.py
@@ -38,7 +38,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class VisibilityClientOperationsMixin(
+class _VisibilityClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], VisibilityClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/_client.py
index d3ec6eae373..ffea8ac1c0b 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/_client.py
@@ -9,10 +9,11 @@
 
 from ._configuration import AddedClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import AddedClientOperationsMixin, InterfaceV2Operations
+from .operations import InterfaceV2Operations
+from .operations._operations import _AddedClientOperationsMixin
 
 
-class AddedClient(AddedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AddedClient(_AddedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@added`` decorator.
 
     :ivar interface_v2: InterfaceV2Operations operations
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/_client.py
index c4dd407496a..8b94832430b 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/_client.py
@@ -9,10 +9,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import AddedClientConfiguration
-from .operations import AddedClientOperationsMixin, InterfaceV2Operations
+from .operations import InterfaceV2Operations
+from .operations._operations import _AddedClientOperationsMixin
 
 
-class AddedClient(AddedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class AddedClient(_AddedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@added`` decorator.
 
     :ivar interface_v2: InterfaceV2Operations operations
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/operations/__init__.py
index 9b9a0bcf90e..a799428817a 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/operations/__init__.py
@@ -7,7 +7,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import InterfaceV2Operations  # type: ignore
-from ._operations import AddedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -15,7 +14,6 @@
 
 __all__ = [
     "InterfaceV2Operations",
-    "AddedClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/operations/_operations.py
index cb9ac3da19f..a701efe9050 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/aio/operations/_operations.py
@@ -173,7 +173,7 @@ async def v2_in_interface(self, body: Union[_models.ModelV2, JSON, IO[bytes]], *
         return deserialized  # type: ignore
 
 
-class AddedClientOperationsMixin(
+class _AddedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], AddedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/operations/__init__.py
index 9b9a0bcf90e..a799428817a 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/operations/__init__.py
@@ -7,7 +7,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import InterfaceV2Operations  # type: ignore
-from ._operations import AddedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -15,7 +14,6 @@
 
 __all__ = [
     "InterfaceV2Operations",
-    "AddedClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/operations/_operations.py
index ec4ac7053ec..698574332f2 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-added/versioning/added/operations/_operations.py
@@ -221,7 +221,7 @@ def v2_in_interface(self, body: Union[_models.ModelV2, JSON, IO[bytes]], **kwarg
         return deserialized  # type: ignore
 
 
-class AddedClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AddedClientConfiguration]):
+class _AddedClientOperationsMixin(ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], AddedClientConfiguration]):
 
     @overload
     def v1(
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_client.py
index 55556e5e667..b4c9e8d31b4 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import MadeOptionalClientConfiguration
-from ._operations import MadeOptionalClientOperationsMixin
+from ._operations._operations import _MadeOptionalClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class MadeOptionalClient(MadeOptionalClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MadeOptionalClient(_MadeOptionalClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@madeOptional`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_operations/__init__.py
index 3499d74ba27..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MadeOptionalClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MadeOptionalClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_operations/_operations.py
index da385148259..4eb1ecbbd43 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/_operations/_operations.py
@@ -55,7 +55,7 @@ def build_made_optional_test_request(*, param: Optional[str] = None, **kwargs: A
     return HttpRequest(method="POST", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class MadeOptionalClientOperationsMixin(
+class _MadeOptionalClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], MadeOptionalClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_client.py
index 5cfa7886162..93c72ef8e6c 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import MadeOptionalClientConfiguration
-from ._operations import MadeOptionalClientOperationsMixin
+from ._operations._operations import _MadeOptionalClientOperationsMixin
 
 
-class MadeOptionalClient(MadeOptionalClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class MadeOptionalClient(_MadeOptionalClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@madeOptional`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/__init__.py
index 3499d74ba27..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import MadeOptionalClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "MadeOptionalClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/_operations.py
index ac849218466..6c4c4050664 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-madeoptional/versioning/madeoptional/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class MadeOptionalClientOperationsMixin(
+class _MadeOptionalClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], MadeOptionalClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_client.py
index 1e4a8d04356..a2fd0c4539e 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_client.py
@@ -8,11 +8,11 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import RemovedClientConfiguration
-from ._operations import RemovedClientOperationsMixin
+from ._operations._operations import _RemovedClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class RemovedClient(RemovedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RemovedClient(_RemovedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@removed`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_operations/__init__.py
index 305dc4d6c45..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RemovedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RemovedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_operations/_operations.py
index fec14ffa532..9bd49c09608 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/_operations/_operations.py
@@ -67,7 +67,7 @@ def build_removed_model_v3_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class RemovedClientOperationsMixin(
+class _RemovedClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RemovedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_client.py
index 041cd47f9e6..be14de6aad7 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_client.py
@@ -9,10 +9,10 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RemovedClientConfiguration
-from ._operations import RemovedClientOperationsMixin
+from ._operations._operations import _RemovedClientOperationsMixin
 
 
-class RemovedClient(RemovedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RemovedClient(_RemovedClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@removed`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_operations/__init__.py
index 305dc4d6c45..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import RemovedClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "RemovedClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_operations/_operations.py
index 15589d2e0f9..bc5be68fe3c 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-removed/versioning/removed/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class RemovedClientOperationsMixin(
+class _RemovedClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RemovedClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/_client.py
index cb519df3fa1..887fec01bcd 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/_client.py
@@ -9,10 +9,11 @@
 
 from ._configuration import RenamedFromClientConfiguration
 from ._utils.serialization import Deserializer, Serializer
-from .operations import NewInterfaceOperations, RenamedFromClientOperationsMixin
+from .operations import NewInterfaceOperations
+from .operations._operations import _RenamedFromClientOperationsMixin
 
 
-class RenamedFromClient(RenamedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RenamedFromClient(_RenamedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@renamedFrom`` decorator.
 
     :ivar new_interface: NewInterfaceOperations operations
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/_client.py
index abd0e477e8d..d8029648d5e 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/_client.py
@@ -9,10 +9,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import RenamedFromClientConfiguration
-from .operations import NewInterfaceOperations, RenamedFromClientOperationsMixin
+from .operations import NewInterfaceOperations
+from .operations._operations import _RenamedFromClientOperationsMixin
 
 
-class RenamedFromClient(RenamedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class RenamedFromClient(_RenamedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@renamedFrom`` decorator.
 
     :ivar new_interface: NewInterfaceOperations operations
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/__init__.py
index 1b0314ab91a..27e2a48d78a 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/__init__.py
@@ -7,7 +7,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import NewInterfaceOperations  # type: ignore
-from ._operations import RenamedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -15,7 +14,6 @@
 
 __all__ = [
     "NewInterfaceOperations",
-    "RenamedFromClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/_operations.py
index fc26d4e77ab..1763056d73b 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/aio/operations/_operations.py
@@ -168,7 +168,7 @@ async def new_op_in_new_interface(
         return deserialized  # type: ignore
 
 
-class RenamedFromClientOperationsMixin(
+class _RenamedFromClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], RenamedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/operations/__init__.py
index 1b0314ab91a..27e2a48d78a 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/operations/__init__.py
@@ -7,7 +7,6 @@
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
 from ._operations import NewInterfaceOperations  # type: ignore
-from ._operations import RenamedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
@@ -15,7 +14,6 @@
 
 __all__ = [
     "NewInterfaceOperations",
-    "RenamedFromClientOperationsMixin",
 ]
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/operations/_operations.py
index 0bd49208695..c7fc1a897fa 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-renamedfrom/versioning/renamedfrom/operations/_operations.py
@@ -205,7 +205,7 @@ def new_op_in_new_interface(
         return deserialized  # type: ignore
 
 
-class RenamedFromClientOperationsMixin(
+class _RenamedFromClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], RenamedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_client.py
index eeee107478e..c91775c4be1 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_client.py
@@ -8,12 +8,12 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import ReturnTypeChangedFromClientConfiguration
-from ._operations import ReturnTypeChangedFromClientOperationsMixin
+from ._operations._operations import _ReturnTypeChangedFromClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
 class ReturnTypeChangedFromClient(
-    ReturnTypeChangedFromClientOperationsMixin
+    _ReturnTypeChangedFromClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@returnTypeChangedFrom`` decorator.
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/__init__.py
index ce1ec088f62..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ReturnTypeChangedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ReturnTypeChangedFromClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/_operations.py
index 8d5c73884ac..b88cc329da2 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/_operations/_operations.py
@@ -46,7 +46,7 @@ def build_return_type_changed_from_test_request(**kwargs: Any) -> HttpRequest:
     return HttpRequest(method="POST", url=_url, headers=_headers, **kwargs)
 
 
-class ReturnTypeChangedFromClientOperationsMixin(  # pylint: disable=name-too-long
+class _ReturnTypeChangedFromClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], ReturnTypeChangedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_client.py
index 6114e5f06dd..088549b160b 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_client.py
@@ -9,11 +9,11 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import ReturnTypeChangedFromClientConfiguration
-from ._operations import ReturnTypeChangedFromClientOperationsMixin
+from ._operations._operations import _ReturnTypeChangedFromClientOperationsMixin
 
 
 class ReturnTypeChangedFromClient(
-    ReturnTypeChangedFromClientOperationsMixin
+    _ReturnTypeChangedFromClientOperationsMixin
 ):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@returnTypeChangedFrom`` decorator.
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/__init__.py
index ce1ec088f62..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import ReturnTypeChangedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "ReturnTypeChangedFromClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/_operations.py
index d2b27b79a0d..1095e6587d5 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-returntypechangedfrom/versioning/returntypechangedfrom/aio/_operations/_operations.py
@@ -27,7 +27,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class ReturnTypeChangedFromClientOperationsMixin(  # pylint: disable=name-too-long
+class _ReturnTypeChangedFromClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], ReturnTypeChangedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_client.py
index 40ad418ce7a..554b0541167 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_client.py
@@ -8,11 +8,13 @@
 from corehttp.runtime import PipelineClient, policies
 
 from ._configuration import TypeChangedFromClientConfiguration
-from ._operations import TypeChangedFromClientOperationsMixin
+from ._operations._operations import _TypeChangedFromClientOperationsMixin
 from ._utils.serialization import Deserializer, Serializer
 
 
-class TypeChangedFromClient(TypeChangedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class TypeChangedFromClient(
+    _TypeChangedFromClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@typeChangedFrom`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/__init__.py
index b1003f556ef..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import TypeChangedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "TypeChangedFromClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/_operations.py
index 063c9e271d3..0fc414bb4ac 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/_operations/_operations.py
@@ -54,7 +54,7 @@ def build_type_changed_from_test_request(*, param: str, **kwargs: Any) -> HttpRe
     return HttpRequest(method="POST", url=_url, params=_params, headers=_headers, **kwargs)
 
 
-class TypeChangedFromClientOperationsMixin(
+class _TypeChangedFromClientOperationsMixin(
     ClientMixinABC[PipelineClient[HttpRequest, HttpResponse], TypeChangedFromClientConfiguration]
 ):
 
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_client.py b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_client.py
index 4ccd4d81146..10f8a70fb18 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_client.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_client.py
@@ -9,10 +9,12 @@
 
 from .._utils.serialization import Deserializer, Serializer
 from ._configuration import TypeChangedFromClientConfiguration
-from ._operations import TypeChangedFromClientOperationsMixin
+from ._operations._operations import _TypeChangedFromClientOperationsMixin
 
 
-class TypeChangedFromClient(TypeChangedFromClientOperationsMixin):  # pylint: disable=client-accepts-api-version-keyword
+class TypeChangedFromClient(
+    _TypeChangedFromClientOperationsMixin
+):  # pylint: disable=client-accepts-api-version-keyword
     """Test for the ``@typeChangedFrom`` decorator.
 
     :param endpoint: Need to be set as '`http://localhost:3000 <http://localhost:3000>`_' in
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/__init__.py b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/__init__.py
index b1003f556ef..0d033db47cd 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/__init__.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/__init__.py
@@ -6,14 +6,11 @@
 if TYPE_CHECKING:
     from ._patch import *  # pylint: disable=unused-wildcard-import
 
-from ._operations import TypeChangedFromClientOperationsMixin  # type: ignore
 
 from ._patch import __all__ as _patch_all
 from ._patch import *
 from ._patch import patch_sdk as _patch_sdk
 
-__all__ = [
-    "TypeChangedFromClientOperationsMixin",
-]
+__all__ = []
 __all__.extend([p for p in _patch_all if p not in __all__])  # pyright: ignore
 _patch_sdk()
diff --git a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/_operations.py b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/_operations.py
index 937ea19cb25..2571b790e99 100644
--- a/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/_operations.py
+++ b/packages/typespec-python/test/unbranded/generated/versioning-typechangedfrom/versioning/typechangedfrom/aio/_operations/_operations.py
@@ -30,7 +30,7 @@
 ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
 
 
-class TypeChangedFromClientOperationsMixin(
+class _TypeChangedFromClientOperationsMixin(
     ClientMixinABC[AsyncPipelineClient[HttpRequest, AsyncHttpResponse], TypeChangedFromClientConfiguration]
 ):
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a824d10fecc..62885e7c85b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -60,8 +60,8 @@ importers:
         specifier: ~1.0.2
         version: 1.0.2
       '@typespec/http-client-python':
-        specifier: 0.13.0-dev.3
-        version: 0.13.0-dev.3(zqlw4u2idnbcqieabzlhuf7frq)
+        specifier: https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTA0Mjc4My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.13.0.tgz
+        version: https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTA0Mjc4My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.13.0.tgz(zqlw4u2idnbcqieabzlhuf7frq)
       fs-extra:
         specifier: ~11.2.0
         version: 11.2.0
@@ -82,8 +82,8 @@ importers:
   packages/typespec-python:
     dependencies:
       '@typespec/http-client-python':
-        specifier: 0.13.0-dev.3
-        version: 0.13.0-dev.3(zqlw4u2idnbcqieabzlhuf7frq)
+        specifier: https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTA0Mjc4My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.13.0.tgz
+        version: https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTA0Mjc4My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.13.0.tgz(zqlw4u2idnbcqieabzlhuf7frq)
       fs-extra:
         specifier: ~11.2.0
         version: 11.2.0
@@ -1684,8 +1684,9 @@ packages:
     peerDependencies:
       '@typespec/compiler': ^1.1.0
 
-  '@typespec/http-client-python@0.13.0-dev.3':
-    resolution: {integrity: sha512-WP1YCb1jqxf4VmY94jHZcYlpmKi5wgy0++fMR1uFsU4bRFZvd+5epJB7DvMHu7Fq2Ljw9w+VnB3Wr6swCB8wFQ==}
+  '@typespec/http-client-python@https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTA0Mjc4My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.13.0.tgz':
+    resolution: {tarball: https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTA0Mjc4My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.13.0.tgz}
+    version: 0.13.0
     engines: {node: '>=20.0.0'}
     peerDependencies:
       '@azure-tools/typespec-autorest': '>=0.56.0 <1.0.0'
@@ -6437,7 +6438,7 @@ snapshots:
     dependencies:
       '@typespec/compiler': 1.1.0(@types/node@22.13.17)
 
-  '@typespec/http-client-python@0.13.0-dev.3(zqlw4u2idnbcqieabzlhuf7frq)':
+  '@typespec/http-client-python@https://artprodcus3.artifacts.visualstudio.com/A0fb41ef4-5012-48a9-bf39-4ee3de03ee35/29ec6040-b234-4e31-b139-33dc4287b756/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2F6dXJlLXNkay9wcm9qZWN0SWQvMjllYzYwNDAtYjIzNC00ZTMxLWIxMzktMzNkYzQyODdiNzU2L2J1aWxkSWQvNTA0Mjc4My9hcnRpZmFjdE5hbWUvYnVpbGRfYXJ0aWZhY3RzX3B5dGhvbg2/content?format=file&subPath=%2Fpackages%2Ftypespec-http-client-python-0.13.0.tgz(zqlw4u2idnbcqieabzlhuf7frq)':
     dependencies:
       '@azure-tools/typespec-autorest': 0.57.0(y57gch43lkhene77dcdsarymam)
       '@azure-tools/typespec-azure-core': 0.57.0(@typespec/compiler@1.1.0(@types/node@22.13.17))(@typespec/http@1.1.0(@typespec/compiler@1.1.0(@types/node@22.13.17))(@typespec/streams@0.71.0(@typespec/compiler@1.1.0(@types/node@22.13.17))))(@typespec/rest@0.71.0(@typespec/compiler@1.1.0(@types/node@22.13.17))(@typespec/http@1.1.0(@typespec/compiler@1.1.0(@types/node@22.13.17))(@typespec/streams@0.71.0(@typespec/compiler@1.1.0(@types/node@22.13.17)))))