code: def _export_bundle_reservation_check_method_if_needed():
      global bundle_reservation_check
      if bundle_reservation_check:
          return
  
      @ray.remote(num_cpus=0)
      def bundle_reservation_check_func(placement_group):
          return placement_group
  
      bundle_reservation_check = bundle_reservation_check_func
  
imports: import warnings
  from typing import Dict, List, Optional, Union
  import ray
  from ray._private.auto_init_hook import auto_init_ray
  from ray._private.client_mode_hook import client_mode_should_convert, client_mode_wrap
  from ray._private.utils import hex_to_binary, get_ray_doc_version
  from ray._raylet import PlacementGroupID
  from ray.util.annotations import DeveloperAPI, PublicAPI
  from ray.util.scheduling_strategies import PlacementGroupSchedulingStrategy
label_desc: Use image node_id 1 for calling a global function with example usage: _export_bundle_reservation_check_method_if_needed() and returns: placement_group