<?phpnamespaceSabre\CardDAV;useSabre\DAV;/** * AddressBook interface * * Implement this interface to allow a node to be recognized as an addressbook. * * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/). * @author Evert Pot (http://evertpot.com/) * @license http://sabre.io/license/ Modified BSD License */interfaceIAddressBookextendsDAV\ICollection{}