Обновление клиента (apps, 3rdparty, install)

3rdparty/sabre/dav/lib/CardDAV/IAddressBook.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sabre\CardDAV;
+
+use Sabre\DAV;
+
+/**
+ * AddressBook interface.
+ *
+ * Implement this interface to allow a node to be recognized as an addressbook.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+interface IAddressBook extends DAV\ICollection
+{
+}