docstr: Register the custom serializer addons at the client side.
  
  The server side should have already registered the serializers via
  regular worker's serialization_context mechanism.
docstr_tok: ["Register","the","custom","serializer","addons","at","the","client","side",".","The","server","side","should","have","already","registered","the","serializers","via","regular","worker","'s","serialization_context","mechanism","."]
code: def _register_serializers(self):
      """Register the custom serializer addons at the client side.
  
      The server side should have already registered the serializers via
      regular worker's serialization_context mechanism.
      """
      import ray.util.serialization_addons
      from ray.util.serialization import StandaloneSerializationContext
  
      ctx = StandaloneSerializationContext()
      ray.util.serialization_addons.apply(ctx)
  
imports: import logging
  import os
  import sys
  import threading
  from typing import Any, Dict, List, Optional, Tuple
  import ray._private.ray_constants
  from ray._private.client_mode_hook import _explicitly_disable_client_mode, _explicitly_enable_client_mode
  from ray._private.ray_logging import setup_logger
  from ray.job_config import JobConfig
  from ray.util.annotations import DeveloperAPI
label_desc: Use image node_id 3 for calling the _ClientContext obj's underlying member method code with example usage: obj._register_serializers() without return types