docstr: Get all refs of slots of a queue
docstr_tok: ["Get","all","refs","of","slots","of","a","queue"]
code: def dump_data(self):
      """
      Get all refs of slots of a queue
      """
      return DispatchDumpType(self._free_slots, self._fresh_slots)
  
imports: import asyncio
  import logging
  import os
  import time
  from typing import Dict, List, NamedTuple, Set, Tuple
  import psutil
  from ....None import oscar
  from ....oscar.errors import NoFreeSlot, SlotStateError
  from ....oscar.backends.allocate_strategy import IdleLabel
  from ....resource import Resource
  from ....typing import BandType
  from ...cluster import WorkerSlotInfo, ClusterAPI
label_desc: Use image node_id 8 for calling the BandSlotManagerActor obj's underlying member method code with example usage: obj.dump_data() and returns: DispatchDumpType