/** * @license Copyright (c) 2003-2026, CKSource Holding sp. z o.o. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options */ /** * Checks if specified wrapper element is one of the ancestors of event target element. */ export declare function isAncestor(evt: KeyboardEvent, wrapper: HTMLElement): boolean;