nextcloud/lib/private/notsquareexception.php

<?php
/**
 * Copyright (c) 2013 Christopher Schäpers <christopher@schaepers.it>
 * This file is licensed under the Affero General Public License version 3 or
 * later.
 * See the COPYING-README file.
 */

namespace OC;

class NotSquareException extends \Exception {
}