class_docstr: Api for metadata storage.
docstr: To be run at the end of model_fn for a trial.
code: def after_generating_trial_model(self, trial_id):
      """To be run at the end of model_fn for a trial."""
  
file_path: model_search/model_search/metadata/metadata.py
imports: import abc
label_desc: Use image node_id 4 for calling the MetaData obj's underlying member method code with example usage: obj.after_generating_trial_model(trial_id) without return types