code: def validate_options(
      kwargs_dict: Optional[Dict[str, Any]]
  ) -> Optional[Dict[str, Any]]:
      if kwargs_dict is None:
          return None
      if len(kwargs_dict) == 0:
          return None
  
      out = {}
      for k, v in kwargs_dict.items():
          if k not in ray_option_utils.valid_options:
              raise ValueError(
                  f"Invalid option keyword: '{k}'. "
                  f"{ray_option_utils.remote_args_error_string}"
              )
          ray_option_utils.valid_options[k].validate(k, v)
          out[k] = v
  
      # Validate placement setting similar to the logic in ray/actor.py and
      # ray/remote_function.py. The difference is that when
      # placement_group = default and placement_group_capture_child_tasks
      # specified, placement group cannot be resolved at client. So this check
      # skips this case and relies on server to enforce any condition.
      bundle_index = out.get("placement_group_bundle_index", None)
      pg = out.get("placement_group", None)
      scheduling_strategy = out.get("scheduling_strategy", None)
      if isinstance(
          scheduling_strategy, PlacementGroupSchedulingStrategy
      ):
          pg = scheduling_strategy.placement_group
          bundle_index = (
              scheduling_strategy.placement_group_bundle_index
          )
      if bundle_index is not None:
          if pg is None:
              pg = PlacementGroup.empty()
          if pg == "default" and (
              out.get("placement_group_capture_child_tasks", None)
              is None
          ):
              pg = PlacementGroup.empty()
          if isinstance(pg, PlacementGroup):
              check_placement_group_index(pg, bundle_index)
  
      return out
  
imports: from typing import Any
  from typing import Dict
  from typing import Optional
  from ray._private import ray_option_utils
  from ray.util.placement_group import PlacementGroup, check_placement_group_index
  from ray.util.scheduling_strategies import PlacementGroupSchedulingStrategy
label_desc: Use image node_id 1 for calling a global function with example usage: validate_options(kwargs_dict) and returns: out, None, None