6 * Every database object action class, which belongs to database objects supporting
7 * clipboard actions, has to implement this interface.
9 * @author Matthias Schmidt
10 * @copyright 2001-2019 WoltLab GmbH
11 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
12 * @package WoltLabSuite\Core\Data
14 interface IClipboardAction
17 * Unmarks all marked objects.
19 public function unmarkAll();
22 * Validates the 'unmarkAll' action.
24 public function validateUnmarkAll();