An alias for `todict`

def to_serializable_dict(self, attrs_to_serialize=None,
                             rels_to_expand=None,
                             rels_to_serialize=None,
                             key_modifications=None):
        """
        An alias for `todict`
        """
        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)