@abc.abstractmethod<EOL><INDENT>def acknowledge_objective_bank_notification(self, notification_id):<DEDENT>
pass<EOL>
Acknowledge an objective bank notification.

        :param notification_id: the ``Id`` of the notification
        :type notification_id: ``osid.id.Id``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

        *compliance: mandatory -- This method must be implemented.*