code: def run(self) -> None:
      while True:
          future = self.work_queue.get()
          check_result = check_health(self.gcs_address)
          future.set_result(check_result)
  
imports: import asyncio
  import logging
  import os
  from pathlib import Path
  import threading
  from concurrent.futures import Future
  from queue import Queue
  import ray.dashboard.consts
  import ray.dashboard.utils
  import ray.experimental.internal_kv
  from ray._private.usage.usage_lib import TagKey, record_extra_usage_tag
  from ray._private import ray_constants
  from ray.dashboard.utils import DashboardHeadModule
  from ray._raylet import GcsClient, check_health
  from ray.dashboard.datacenter import DataOrganizer
  from ray.dashboard.utils import async_loop_forever
  from ray.dashboard.consts import DASHBOARD_METRIC_PORT
  from ray.dashboard.dashboard_metrics import DashboardPrometheusMetrics
  from typing import Optional, Set
label_desc: Use image node_id 2 for calling the GCSHealthCheckThread obj's underlying member method code with example usage: obj.run() without return types