code: def close(self) -> None:
      self._should_quit = True
  
imports: import atexit
  import logging
  import sys
  import threading
  import time
  import types
  from typing import Any, Optional, Union
  from determined.common import api
  from determined.common.api import bindings
label_desc: Use image node_id 4 for calling the _HeartbeatReporter obj's underlying member method code with example usage: obj.close() without return types