export declare enum NCDateUnit {
    millisecond = "millisecond",
    second = "second",
    minute = "minute",
    hour = "hour",
    day = "day",
    month = "month",
    year = "year",
    date = "date",
    milliseconds = "milliseconds",
    seconds = "seconds",
    minutes = "minutes"
}
export declare const getNCDateToString: (date?: NCDate | undefined, format?: string) => string;
export declare class NCDate {
    static FORMAT_UTC_ISO: string;
    static FORMAT_LOCAL_DATETIME: string;
    static FORMAT_LOCAL_DATETIME_COMMA: string;
    static FORMAT_LOCAL_DATE: string;
    static FORMAT_LOCAL_DATE_COMMA: string;
    static FORMAT_LOCAL_MONTH_DAY_WEEK_COMMA: string;
    static FORMAT_MONTH_DATE_YEAR: string;
    static FORMAT_MONTH_DATE: string;
    private dating;
    private constructor();
    private static resolveDating;
    static now(): NCDate;
    static create(milliseconds: number): NCDate;
    static duration(milliseconds: number, format: string, unit?: string): string;
    static fromDate(date: Date): NCDate;
    static parse(dateString: string): NCDate;
    toString(format?: string): string;
    toMilliseconds(): number;
    toDate(): Date;
    toCommaYYMMDD: () => string;
    year: () => number;
    month: () => number;
    day: () => number;
    hour: () => number;
    minute: () => number;
    second: () => number;
    monthName: () => string;
    monthNameShort: () => string;
    monthNameKo: () => string;
    isAm: () => boolean;
    isPm: () => boolean;
    weekDay: () => number;
    weekDayName: () => string;
    weekDayNameShort: () => string;
    weekDayNameKo: () => string;
    weekDayNameKoShort: () => string;
    convertDateToText: () => string;
    convertDateToTextWithoutTime: () => string;
    isPast: () => boolean;
    isFuture: () => boolean;
    isClosing: () => boolean;
    isEarlierThen: (target: NCDate) => boolean;
    isLaterThen: (target: NCDate) => boolean;
    equals: (target: NCDate | Date | number) => boolean;
    dateEquals: (target: NCDate) => boolean;
    addDay: (day: number) => NCDate;
    diff(date: NCDate, unit?: NCDateUnit, float?: boolean): number;
}