code: def maybe_authenticated_user(
      self, fun: MaybeAuthenticatedAIOHTTPHandler
  ) -> AIOHTTPHandler:
      @wraps(fun)
      async def wrapped(request: web.Request) -> web.StreamResponse:
          return await fun(request, await self._fetch_userdata(request))
  
      return wrapped
  
imports: import abc
  import asyncio
  import logging
  import urllib.parse
  from functools import wraps
  from typing import Awaitable, Callable, Optional, Tuple, TypedDict
  import aiohttp
  import aiohttp_session
  from aiohttp import web
  from hailtop import httpx
  from hailtop.config import get_deploy_config
  from hailtop.utils import retry_transient_errors
  from .time_limited_max_size_cache import TimeLimitedMaxSizeCache
label_desc: Use image node_id 2 for calling the Authenticator obj's underlying member method code with example usage: obj.maybe_authenticated_user(fun) and returns: wrapped, unknown