import { IDuration, IInterval, IWorkdayConfig, SecondsPerTimePeriod } from '../types';
export declare const timeDifference: (value: number, unit: Intl.RelativeTimeFormatUnit) => string;
export declare const duration: (seconds: number) => string;
export declare const durationMillis: (base: number, ts: number) => {
    seconds: number;
    millis: string;
};
export declare const durationMillisNow: (ts: number) => {
    seconds: number;
    millis: string;
};
export declare const durationMillisElapsed: (ts: number) => {
    seconds: number;
    millis: string;
};
export declare const intervalToDuration: (interval: IInterval) => Partial<IDuration> | undefined;
export declare const getSecondsPerPeriod: (workdayConfig?: IWorkdayConfig) => SecondsPerTimePeriod;
export declare const toDuration: (seconds: number, workdayConfig?: IWorkdayConfig) => Partial<IDuration>;
export declare const timeAgo: (value: DateTime) => string | undefined;
export declare const deltaInSeconds: (date: Date | number) => number;
export declare const deltaInMinutes: (date?: Date | number) => number;
export declare const deltaInYears: (date?: Date | number) => number;
export declare const isBefore: (date1: DateTime, date2: DateTime) => boolean;
export declare const isAfter: (date1: DateTime, date2: DateTime) => boolean;