code: def add_auth(self, reg: str, data: Dict[str, Any]) -> None:
      self["auths"][reg] = data
  
imports: import base64
  import json
  import logging
  import os
  import platform
  from typing import Any, Dict, Mapping, Optional, Tuple, Union
  import dockerpycreds
label_desc: Use image node_id 13 for calling the AuthConfig obj's underlying member method code with example usage: obj.add_auth(reg, data) without return types