class_docstr: BaseServer class that is handled by AsyncNewLoopRuntime. It makes sure that the Request Handler is exposed via a server.
code: def __enter__(self):
      return self
  
imports: import abc
  import time
  import asyncio
  from types import SimpleNamespace
  from typing import TYPE_CHECKING, Dict, Optional, Union
  from jina.logging.logger import JinaLogger
  from jina.serve.instrumentation import InstrumentationMixin
  from jina.serve.runtimes.monitoring import MonitoringMixin
label_desc: Use image node_id 9 for calling the BaseServer obj's underlying member method code with example usage: obj.__enter__() and returns: self