def get_repository_rules_manager(self):
raise Unimplemented()<EOL>
Gets a RepositoryRulesManager.

        return: (osid.repository.rules.RepositoryRulesManager) - a
                RepostoryRulesManager
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - supports_repository_rules() is false
        compliance: optional - This method must be implemented if
                    supports_repository_rules() is true.