code: def shutdown(self, exitcode=0):
          
          logger.info("shutting down system stats and metadata service")
          self._system_stats.shutdown()
          self._meta.shutdown()
  
          if self._cloud:
              logger.info("stopping streaming files and file change observer")
              self._stop_file_observer()
              self._end_file_syncing(exitcode)
  
          self._run.history.close()
docs: Stops system stats, streaming handlers, and uploads files without output, used by wandb.monitor