code: def is_feasible(self, bundle: ResourceDict) -> bool:
      for node_type, config in self.node_types.items():
          max_of_type = config.get("max_workers", 0)
          node_resources = config["resources"]
          if (
              node_type == self.head_node_type or max_of_type > 0
          ) and _fits(node_resources, bundle):
              return True
      return False
  
imports: import collections
  import copy
  import logging
  import os
  from abc import abstractmethod
  from functools import partial
  from typing import Callable, Dict, List, Optional, Tuple
  import ray
  from ray._private.gcs_utils import PlacementGroupTableData
  from ray.autoscaler._private.constants import AUTOSCALER_CONSERVE_GPU_NODES, AUTOSCALER_UTILIZATION_SCORER_KEY
  from ray.autoscaler._private.loader import load_function_or_class
  from ray.autoscaler._private.node_provider_availability_tracker import NodeAvailabilitySummary
  from ray.autoscaler._private.util import NodeID, NodeIP, NodeType, NodeTypeConfigDict, ResourceDict, is_placement_group_resource
  from ray.autoscaler.node_provider import NodeProvider
  from ray.autoscaler.tags import NODE_KIND_HEAD, NODE_KIND_UNMANAGED, NODE_KIND_WORKER, TAG_RAY_NODE_KIND, TAG_RAY_USER_NODE_TYPE
  from ray.core.generated.common_pb2 import PlacementStrategy
label_desc: Use image node_id 4 for calling the ResourceDemandScheduler obj's underlying member method code with example usage: obj.is_feasible(bundle) and returns: False, True