import { DateInfo, DateTime, TimePeriod } from '../types';
import { XDate } from './language.date';
export declare const ts: () => number;
export declare const now: () => number;
export declare const dateShort: (value: DateTime) => string;
export declare const dateLong: (value: DateTime) => string;
export declare const dayOfWeek: (value: DateTime, short?: boolean) => string;
export declare const dateDb: (value: DateTime) => string;
export declare const dateDbLong: (value: DateTime) => string;
export declare const dateDbLongInMinutes: (minutes: number) => string;
export declare const isToday: (value: DateTime) => boolean;
export declare const dayOfYear: (value: DateTime) => number | undefined;
export declare const weekNumber: (date: DateTime) => number | undefined;
export declare const getQuarter: (date: DateTime) => number | undefined;
export declare const add: (value: DateTime, valueToAdd: number, period: TimePeriod) => Date | undefined;
export declare const set: (value: DateTime, valueToSet: number, period: TimePeriod) => Date | undefined;
export declare const setTime: (value: DateTime, time: string) => Date | undefined;
export declare const dateInfo: (value: DateTime) => DateInfo | undefined;
export declare const fromWeek: (week: number, year: number, dayOfWeek?: number) => Date;
export declare const format: (value: DateTime, template: string) => string;
export declare const startOfDay: () => XDate;
export declare const startOfWeek: () => XDate;
export declare const startOfMonth: () => XDate;
export declare const startOfYear: () => XDate;
export declare const minutesThisX: () => {
    today: number;
    week: number;
    month: number;
    year: number;
};
export declare const dateFilename: (suffix: string) => string;