@abc.abstractmethod<EOL><INDENT>def get_authorization_batch_manager(self):<DEDENT>
return<EOL>
Gets an ``AuthorizationBatchManager``.

        :return: an ``AuthorizationBatchManager``
        :rtype: ``osid.authorization.batch.AuthorizationBatchManager``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_authorization_batch() is false``

        *compliance: optional -- This method must be implemented if
        ``supports_authorization_batch()`` is true.*