/**
 * 获取当前时间戳
 */
declare const now: () => number;
declare function domHighResTimeStampToDateNow(domHighResTimeStamp: number): number;
declare function dateNowToDomHighResTimeStamp(dateNow: number): number;
export { now, domHighResTimeStampToDateNow, dateNowToDomHighResTimeStamp };