/**
 * @function safeHtml(html) 过滤非法html内容
 * @param {string} html 要过滤的html内容
 * @param {object} [options] 过滤时的配置项, 参考https://www.npmjs.com/package/dompurify
 * @returns {string} 返回过滤后的html
 */
export declare function safeHtml(html: any, options?: {}): any;
export declare const findClosestBySelector: (element: HTMLElement, selector: string) => HTMLElement;