import type { TimeUnit } from './time/unit';
/**
 * Properties required for all Time objects.
 *
 * @category Time
 */
export interface Time {
    type: 'Time' | string;
    (setTo?: Time | number | null): number;
    add: (value: Time | number, decimals?: number) => Time;
    sub: (value: Time | number, decimals?: number) => Time;
    setNow: () => Time;
    set: (value?: Time | number | null) => Time;
    reset: () => Time;
    units: () => TimeUnit;
    elapsed: (time: Time | number) => boolean;
    since: (time: Time | number) => Time | null;
    until: (time: Time | number) => Time | null;
    asDays: () => number | null;
    asHours: () => number | null;
    asMicroseconds: () => number | null;
    asMilliseconds: () => number | null;
    asMinutes: () => number | null;
    asMonths: () => number | null;
    asSeconds: () => number | null;
    asWeeks: () => number | null;
    asYears: () => number | null;
    addYears: (value?: Time | number | null) => Time;
    addMonths: (value?: Time | number | null) => Time;
    addWeeks: (value?: Time | number | null) => Time;
    addDays: (value?: Time | number | null) => Time;
    addHours: (value?: Time | number | null) => Time;
    addMinutes: (value?: Time | number | null) => Time;
    addSeconds: (value?: Time | number | null) => Time;
    addMilliseconds: (value?: Time | number | null) => Time;
    addMicroseconds: (value?: Time | number | null) => Time;
    subYears: (value?: Time | number | null) => Time;
    subMonths: (value?: Time | number | null) => Time;
    subWeeks: (value?: Time | number | null) => Time;
    subDays: (value?: Time | number | null) => Time;
    subHours: (value?: Time | number | null) => Time;
    subMinutes: (value?: Time | number | null) => Time;
    subSeconds: (value?: Time | number | null) => Time;
    subMilliseconds: (value?: Time | number | null) => Time;
    subMicroseconds: (value?: Time | number | null) => Time;
    toYears: () => Time;
    toMonths: () => Time;
    toWeeks: () => Time;
    toDays: () => Time;
    toHours: () => Time;
    toMinutes: () => Time;
    toSeconds: () => Time;
    toMilliseconds: () => Time;
    toMicroseconds: () => Time;
}