/// <reference types="node" />
/**
 * html转换为excel
 * @param html 需转换的内容
 * @param attachment 文件名称
 * @example html2pdf(html, attachment);
 */
export default function html2pdf(html: string, attachment?: string, rootpath?: string): Promise<{
    attachment: string;
    buff: Buffer;
    content_type: string;
} | {
    buff: Buffer;
    content_type: string;
    attachment?: undefined;
}>;