code: def add_saver(self, saver: ConfigsSaver):
      self.savers.append(saver)
      saver.save(self.to_json())
  
imports: from pathlib import Path
  from typing import Dict, Union, Optional, List
  from labml.internal import util
  from .base import Configs
  from .utils import Value
label_desc: Use image node_id 7 for calling the ConfigProcessor obj's underlying member method code with example usage: obj.add_saver(saver) without return types