export declare const DateFunctions: {
    DATE: (...args: Array<string | number>) => any;
    DATEDELTA: (timestamp: number, addDay?: number) => number | undefined;
    DAY: (time: number) => number | undefined;
    DAYS: (start: number, end: number) => number | undefined;
    HOUR: (timestamp: number) => number | undefined;
    ISOWEEKNUM: (timestamp: number) => number;
    MINUTE: (timestamp: number) => number | undefined;
    MONTH: (timestamp: number) => number | undefined;
    TIME: (h: number, m: number, s: number) => number;
    TIMESTAMP: (a: Date) => number;
    NOW: () => number;
    ONEYEARRANGDAY: (start: number, end: number, year: string) => number;
    TODAY: () => number;
    WEEKDAY: (timestamp: number) => 0 | "" | 1 | 2 | 6 | 3 | 4 | 5;
    WEEKNUM: (timestamp: number) => number | "";
    YEAR: (timestamp: number) => number | "";
};