export declare class TimeDiff {
    isNegative: boolean;
    seconds: number;
    minutes: number;
    hours: number;
    days: number;
    months: number;
    years: number;
    constructor(years: number, months: number, days: number, hours: number, minutes: number, seconds: number, isNegative?: boolean);
}
export declare function getTimeDiff(date1: Date, date2: Date): TimeDiff;
export declare function getTimeDiffFormat(timeDiff: TimeDiff): string;
export declare function getTimeFormat(dateTime: Date): string;