code: def save(self, configs: Dict):
      self._app_experiment.save_configs(configs)
  
imports: import threading
  import time
  from typing import Dict, Optional, TYPE_CHECKING
  from .None import AppTracker, Packet, AppTrackDataSource, AppTrackResponseHandler
  from .dynamic import DynamicUpdateHandler
  from .url import AppUrlResponseHandler
  from ..configs.processor import ConfigsSaver
label_desc: Use image node_id 2 for calling the AppConfigsSaver obj's underlying member method code with example usage: obj.save(configs) without return types