code: def register_option(
      self, option, value, validator=None, serialize=False
  ):
      splits = option.split(".")
      conf = self._config
      if isinstance(validator, tuple):
          validator = any_validator(*validator)
  
      for name in splits[:-1]:
          config = conf.get(name)
          if config is None:
              val = AttributeDict(_parent=conf)
              conf[name] = val
              conf = val
          elif not isinstance(config, dict):
              raise AttributeError(
                  f"Fail to set option: {option}, conflict has encountered"
              )
          else:
              conf = config
  
      key = splits[-1]
      if conf.get(key) is not None:
          raise AttributeError(
              f"Fail to set option: {option}, option has been set"
          )
  
      conf.register(key, value, validator)
      if serialize:
          self._serialize_options.append(option)
  
imports: import contextlib
  import functools
  import operator
  import os
  import warnings
  import threading
  from copy import deepcopy
  from typing import Union, Dict
label_desc: Use image node_id 5 for calling the Config obj's underlying member method code with example usage: obj.register_option(option, value, validator, serialize) without return types