@abc.abstractmethod<EOL><INDENT>def register_for_changed_superseding_event(self, superseding_event_id):<DEDENT>
pass<EOL>
Registers for notification of an updated superseding event.

        ``SupersedingEventReceiver.changedSupersedingEvents()`` is
        invoked when the specified superseding event is changed.

        :param superseding_event_id: the ``Id`` of the ``Superseding`` to monitor
        :type superseding_event_id: ``osid.id.Id``
        :raise: ``NullArgument`` -- ``superseding_event_id is null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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