class_docstr: Object to encapsulate the code related to handle the data requests passing to executor and its returned values
class_docstr_tok: ["Object","to","encapsulate","the","code","related","to","handle","the","data","requests","passing","to","executor","and","its","returned","values"]
docstr: Returns a list of all batch queue instances
  :return: List of all batch queues for this request handler
docstr_tok: ["Returns","a","list","of","all","batch","queue","instances",":","return",":","List","of","all","batch","queues","for","this","request","handler"]
code: def _all_batch_queues(self) -> List[BatchQueue]:
      """Returns a list of all batch queue instances
      :return: List of all batch queues for this request handler
      """
      return [
          batch_queue
          for param_to_queue in self._batchqueue_instances.values()
          for batch_queue in param_to_queue.values()
      ]
  
imports: import argparse
  import asyncio
  import functools
  import json
  import os
  import tempfile
  import threading
  import uuid
  import warnings
  from typing import TYPE_CHECKING, AsyncIterator, Dict, Generator, List, Optional, Tuple, Union
  from google.protobuf.struct_pb2 import Struct
  from jina._docarray import DocumentArray, docarray_v2
  from jina.constants import __default_endpoint__
  from jina.excepts import BadConfigSource, RuntimeTerminated
  from jina.helper import get_full_version
  from jina.importer import ImportExtensions
  from jina.proto import jina_pb2
  from jina.serve.executors import BaseExecutor
  from jina.serve.instrumentation import MetricsTimer
  from jina.serve.runtimes.worker.batch_queue import BatchQueue
  from jina.types.request.data import DataRequest, SingleDocumentRequest
label_desc: Use image node_id 4 for calling the WorkerRequestHandler obj's underlying member method code with example usage: obj._all_batch_queues() and returns: unknown