code: def send_accumulator_updates(outfile: IO) -> None:
      """
      Send the accumulator updates back to JVM.
      """
      write_int(len(_accumulatorRegistry), outfile)
      for aid, accum in _accumulatorRegistry.items():
          pickleSer._write_with_length((aid, accum._value), outfile)
  
file_path: spark/python/pyspark/worker_util.py
imports: import importlib
  from inspect import currentframe, getframeinfo
  import os
  import sys
  from typing import Any, IO
  import warnings
  from pyspark.accumulators import _accumulatorRegistry
  from pyspark.broadcast import Broadcast, _broadcastRegistry
  from pyspark.errors import PySparkRuntimeError
  from pyspark.files import SparkFiles
  from pyspark.java_gateway import local_connect_and_auth
  from pyspark.serializers import read_bool, read_int, read_long, write_int, FramedSerializer, UTF8Deserializer, CPickleSerializer
label_desc: Use image node_id 7 for calling a global function with example usage: send_accumulator_updates(outfile) without return types