def apply_relationship_query(self, relationship_query=None):
pass<EOL>
Applies a relationship query to this family.

        arg:    relationship_query
                (osid.relationship.RelationshipQuery): the relationship
                query
        raise:  NullArgument - ``relationship_query`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure occurred
        raise:  Unsupported - ``relationship_query`` not of this service
        *compliance: mandatory -- This method must be implemented.*