/**
 * This file is derived from prior work.
 *
 * See NOTICE.md for full license text.
 *
 * Derived from: xhtml-im.js, Copyright © 2013 Waqas Hussain
 */
import { JSONElement } from '../Element';
declare function sanitizeRoot(input: JSONElement | string): JSONElement | string | undefined;
export default sanitizeRoot;