code: def _stop_all_runs(self):
      logger.debug("Stopping all runs.")
      for run in list(self._run_threads.keys()):
          self._stop_run(run)
  
imports: import ctypes
  import logging
  import os
  import queue
  import socket
  import threading
  import time
  import wandb
  from wandb import wandb_sdk
  from wandb.apis import InternalApi
  from wandb.sdk.launch.sweeps import utils
label_desc: Use image node_id 6 for calling the Agent obj's underlying member method code with example usage: obj._stop_all_runs() without return types