@abc.abstractmethod<EOL><INDENT>def get_asset_notification_session_for_repository(self, asset_receiver, repository_id, proxy):<DEDENT>
return<EOL>
Gets the asset notification session for the given repository.

        :param asset_receiver: the notification callback
        :type asset_receiver: ``osid.repository.AssetReceiver``
        :param repository_id: the ``Id`` of the repository
        :type repository_id: ``osid.id.Id``
        :param proxy: a proxy
        :type proxy: ``osid.proxy.Proxy``
        :return: an ``AssetNotificationSession``
        :rtype: ``osid.repository.AssetNotificationSession``
        :raise: ``NotFound`` -- ``repository_id`` not found
        :raise: ``NullArgument`` -- ``asset_receiver, repository_id`` or ``proxy`` is ``null``
        :raise: ``OperationFailed`` -- ``unable to complete request``
        :raise: ``Unimplemented`` -- ``supports_asset_notification()`` or ``supports_visible_federation()`` is ``false``

        *compliance: optional -- This method must be implemented if
        ``supports_asset_notfication()`` and
        ``supports_visible_federation()`` are ``true``.*