docstr: return a dictionary of partitions, each partition is a list of shard_refs or a part_ref
docstr_tok: ["return","a","dictionary","of","partitions",",","each","partition","is","a","list","of","shard_refs","or","a","part_ref"]
code: def get_partitions_refs(self):
      """
      return a dictionary of partitions, each partition is a list of shard_refs or a part_ref
      """
      result = {}
      for k in self.partitions.keys():
          result[k] = self.get_partition_ref(k)
      return result
  
imports: from __future__ import annotations
  from collections import defaultdict
  import ray
  import ray._private.services
  import uuid
  import random
  from bigdl.orca.data import XShards
  from bigdl.orca.ray import OrcaRayContext
  import logging
  from bigdl.dllib.utils.log4Error import invalidInputError
  from numpy import ndarray
  from typing import TYPE_CHECKING, Any, Callable, DefaultDict, Dict, List, Tuple, Union, no_type_check
label_desc: Use image node_id 7 for calling the LocalStore obj's underlying member method code with example usage: obj.get_partitions_refs() and returns: result