old_contents: # Copyright (c) Meta Platforms, Inc. and affiliates.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from abc import ABC
  from typing import Generic, Type, TypeVar
  
  from thrift.python.client.async_client import AsyncClient
  from thrift.python.client.sync_client import SyncClient
  
  TAsyncClient = TypeVar("TAsyncClient", bound=AsyncClient)
  TSyncClient = TypeVar("TSyncClient", bound=SyncClient)
  
  
  class Client(Generic[TAsyncClient, TSyncClient], ABC):
      """
      Base class of all thrift-python clients.
      """
  
      Async: Type[TAsyncClient]
      Sync: Type[TSyncClient]
  
new_contents: # Copyright (c) Meta Platforms, Inc. and affiliates.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from abc import ABC
  from typing import Generic, Type, TypeVar
  
  from thrift.python.client.async_client import AsyncClient
  from thrift.python.client.sync_client import SyncClient
  
  TAsyncClient = TypeVar("TAsyncClient", bound=AsyncClient, covariant=True)
  TSyncClient = TypeVar("TSyncClient", bound=SyncClient, covariant=True)
  
  
  class Client(Generic[TAsyncClient, TSyncClient], ABC):
      Async: Type[TAsyncClient]
      Sync: Type[TSyncClient]
  
  
  """
  Base class of all thrift-python clients.
  """
  TClient = Client[AsyncClient, SyncClient]
  
subject: make typevar TAsyncClient/TSyncClient covariant