code: def RegisterGetCallback(
      self,
      request: ray_client_pb2.GetRequest,
      callback: ResponseCallable,
  ) -> None:
      if len(request.ids) != 1:
          raise ValueError(
              "RegisterGetCallback() must have exactly 1 Object ID. "
              f"Actual: {request}"
          )
      datareq = ray_client_pb2.DataRequest(
          get=request,
      )
      collector = ChunkCollector(callback=callback, request=datareq)
      self._async_send(datareq, collector)
  
imports: import math
  import logging
  import queue
  import threading
  import warnings
  import grpc
  from collections import OrderedDict
  from typing import Any, Callable, Dict, TYPE_CHECKING, Optional, Union
  import ray.core.generated.ray_client_pb2
  import ray.core.generated.ray_client_pb2_grpc
  from ray.util.client.common import INT32_MAX, OBJECT_TRANSFER_CHUNK_SIZE, OBJECT_TRANSFER_WARNING_SIZE
  from ray.util.debug import log_once
label_desc: Use image node_id 20 for calling the DataClient obj's underlying member method code with example usage: obj.RegisterGetCallback(request, callback) without return types