@abc.abstractmethod<EOL><INDENT>def register_for_changed_configuration(self, configuration_id):<DEDENT>
pass<EOL>
Registers for notifications of an update to a configuration.

        ``ConfigurationReceiver.changedConfigurations()`` is invoked
        when the specified ``Configuration`` is changed.

        :param configuration_id: the ``Id`` of the ``Configuration`` to monitor
        :type configuration_id: ``osid.id.Id``
        :raise: ``NotFound`` -- a ``Configuration`` was not found identified by the given ``Id``
        :raise: ``NullArgument`` -- ``configuration_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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