code: def terminate_node(self, node_id):
      with self.lock:
          if self.cache_stopped:
              self.mock_nodes[node_id].state = "stopped"
          else:
              self.mock_nodes[node_id].state = "terminated"
  
imports: import re
  import threading
  from subprocess import CalledProcessError
  from typing import Callable, Dict, List, Optional
  from ray.autoscaler.node_provider import NodeProvider
label_desc: Use image node_id 11 for calling the MockProvider obj's underlying member method code with example usage: obj.terminate_node(node_id) without return types