code: def __init__(self) -> None:
      super().__init__()
      self._redis: redis.Redis  # type: ignore
      self._stream_prefix: str = ""
      self._stream_limit: Optional[int]
      self._stream_limit_firehose: Optional[int]
      self._jwt_cookie_name: str = ""
      self._jwt_cookie_secure: bool = False
      self._jwt_cookie_domain: Optional[str]
      self._jwt_cookie_samesite: Optional[
          Literal["None", "Lax", "Strict"]
      ] = None
      self._jwt_secret: str
      self._load_chart_data_into_cache_job: Any = None
      # pylint: disable=invalid-name
      self._load_explore_json_into_cache_job: Any = None
  
imports: import json
  import logging
  import uuid
  from typing import Any, Literal, Optional
  import jwt
  import redis
  from flask import Flask, request, Request, Response, session
  from superset.utils.core import get_user_id
label_desc: Use image node_id 1 to create a new AsyncQueryManager object  with example: obj = AsyncQueryManager()