def list_eval_sets(self, app_name: str) -> list[str]:
    """Returns a list of EvalSets that belong to the given app_name."""
    eval_set_file_path = os.path.join(self._agents_dir, app_name)
    eval_sets = []
    for file in os.listdir(eval_set_file_path):
      if file.endswith(_EVAL_SET_FILE_EXTENSION):
        eval_sets.append(
            os.path.basename(file).removesuffix(_EVAL_SET_FILE_EXTENSION)
        )

    return sorted(eval_sets)
Returns a list of EvalSets that belong to the given app_name.
src/google/adk/evaluation/local_eval_sets_manager.py