def METHOD_NAME(*args: Any, **kwargs: Any) -> Any:
    assert not args, "No arguments allowed!"
    path = self.path_from(self.service, action_name, **kwargs)
    if os.path.exists(path):
        with open(path) as f:
            return json.load(f)
    else:
        # print(f"Not found: {path}")
        return {}