/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** IE 11 compatible closest implementation that is able to start from non-Element Nodes. */
export declare function closest(element: EventTarget | Element | null | undefined, selector: string): Element | null;