code: def storage_method(func):
      '''Calls decorated method with VersionedStorage as self'''
      def wrap(self, *args, **kwargs):
          return func(self._root_storage, *args, **kwargs)
      return wraf storage_method(func):
      '''Calls decorated method with VersionedStorage as self'''
      def wrap(self, *args, **kwargs):
          return func(self._root_storage, *args, **kwargs)
      return wrap
docs: Calls decorated method with VersionedStorage as self