@abc.abstractmethod<EOL><INDENT>def get_resource_notification_session(self, resource_receiver):<DEDENT>
return<EOL>
Gets the notification session for notifications pertaining to resource changes.

        :param resource_receiver: the notification callback
        :type resource_receiver: ``osid.resource.ResourceReceiver``
        :return: ``a ResourceNotificationSession``
        :rtype: ``osid.resource.ResourceNotificationSession``
        :raise: ``NullArgument`` -- ``resource_receiver`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_resource_notification()`` is ``false``

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