code: def create_node(self, node_config, tags, count, _skip_wait=False):
      from ray.autoscaler.tags import TAG_RAY_USER_NODE_TYPE
  
      if self.error_creates is not None:
          raise self.error_creates
      if not _skip_wait:
          self.ready_to_create.wait()
      if self.fail_creates:
          return
  
      created_nodes = {}
      if self.partical_success_count is not None:
          count = min(count, self.partical_success_count)
      with self.lock:
          if self.cache_stopped:
              for node in self.mock_nodes.values():
                  if node.state == "stopped" and count > 0:
                      count -= 1
                      node.state = "pending"
                      node.tags.update(tags)
                      created_nodes[node.node_id] = node
          for _ in range(count):
              new_node = MockNode(
                  str(self.next_id),
                  tags.copy(),
                  node_config,
                  tags.get(TAG_RAY_USER_NODE_TYPE),
                  unique_ips=self.unique_ips,
              )
              self.mock_nodes[new_node.node_id] = new_node
              created_nodes[new_node.node_id] = new_node
              self.next_id += 1
      return created_nodes
  
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 9 for calling the MockProvider obj's underlying member method code with example usage: obj.create_node(node_config, tags, count, _skip_wait) and returns: created_nodes