code: def refresh(self):
      # force a timer reset for async
      with self.refresh_lock:
          self.s_passed_recon = 2 * self._async_reconnect
          self.s_passed_interm = 2 * self._get_interm_res
  
imports: import json
  import logging
  import os
  import sys
  import time
  import threading
  import paramiko
  from .CPUResourceManager import CPUResourceManager
  from ...utils import check_missing_key, load_default_env, parse_result, DEFAULT_AUPTIMIZER_PATH, block_until_ready
  from ...utils import open_sftp_with_timeout, parse_one_line
  from ..Job import Job
label_desc: Use image node_id 4 for calling the SSHResourceManager obj's underlying member method code with example usage: obj.refresh() without return types