code: def to_serializable_dict(self, attrs_to_serialize=None,
                               rels_to_expand=None,
                               rels_to_serialize=None,
                               key_modifications=None):
          
          return self.todict(
              attrs_to_serialize=attrs_to_serialize,
              rels_to_expand=rels_to_expand, rels_to_serialize=rels_to_serialize,
              key_modifications=key_modifications)
docs: An alias for `todict`