code: def _build_default_checker(cls):
      rules = []
      return checker.ConfigChecker(rules, allow_update=True)
  
file_path: PaddleSeg/Matting/ppmatting/utils/config.py
imports: import codecs
  import os
  from typing import Any, Dict, Generic
  import warnings
  from ast import literal_eval
  import paddle
  import yaml
  import six
  import paddleseg
  from paddleseg.utils import logger
  from paddleseg.cvlibs import config_checker
  from paddleseg.utils.utils import CachedProperty
label_desc: Use image node_id 1 for calling the Config obj's underlying member method code with example usage: obj._build_default_checker(cls) and returns: checker