code: def __init__(
      self,
      *,
      timeout: int | None = None,
      max_concurrency: int | None = None,
  ) -> None:
      self.timeout = timeout
      self.max_concurrency = max_concurrency
  
file_path: BentoML/grpc-client/bentoml/_internal/server/base_app.py
imports: from __future__ import annotations
  import abc
  import contextlib
  import logging
  import typing
  from typing import TYPE_CHECKING
  from starlette.exceptions import HTTPException
  from starlette.middleware import Middleware
  from starlette.responses import PlainTextResponse
  from ..utils import is_async_callable
label_desc: Use image node_id 1 to create a new BaseAppFactory object from inherited base classes: abc with example: obj = BaseAppFactory()