@abc.abstractmethod<EOL><INDENT>def get_catalog_entry_notification_session_for_catalog(self, catalog_entry_receiver, catalog_id, proxy):<DEDENT>
return<EOL>
Gets the notification session for subscribing to changes to catalogs for the given catalog.

        :param catalog_entry_receiver: the notification callback
        :type catalog_entry_receiver: ``osid.cataloging.CatalogEntryReceiver``
        :param catalog_id: the ``Id`` of the ``Catalog``
        :type catalog_id: ``osid.id.Id``
        :param proxy: a proxy
        :type proxy: ``osid.proxy.Proxy``
        :return: a ``CatalogEntryNotificationSession``
        :rtype: ``osid.cataloging.CatalogEntryNotificationSession``
        :raise: ``NullArgument`` -- ``catalog_entry_receiver, catalog_id,`` or ``proxy`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_catalog_entry_notification()`` or ``supports_visible_federation()`` is ``false``

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