class_docstr: A class to dump stack traces if no activity happens in ClusterCoordinator.
code: def stop(self):
      self._stopped = True
  
file_path: tensorflow-upstream/tensorflow/python/distribute/coordinator/watchdog.py
imports: import faulthandler
  import os
  import sys
  import threading
  import time
  from absl import logging
label_desc: Use image node_id 2 for calling the WatchDog obj's underlying member method code with example usage: obj.stop() without return types