/**
 * Clone a date object.
 *
 * @export
 * @param  {Date} d The date to clone
 * @return {Date} The cloned date
 */
export declare function clone(d: any): Date;
/**
 * Return `true` if the passed value is a valid JavaScript Date object.
 *
 * @export
 * @param {any} value
 * @returns {Boolean}
 */
export declare function isDate(value: any): boolean;
/**
 * Return `d` as a new date with `n` months added.
 *
 * @export
 * @param {[type]} d
 * @param {[type]} n
 */
export declare function addMonths(d: any, n: any): Date;
/**
 * Return `d` as a new date with `n` months added.
 *
 * @export
 * @param {[type]} d
 * @param {[type]} n
 */
export declare function setMonths(d: any, n: any): Date;
/**
 * Return `d` as a new date with `n` months added.
 *
 * @export
 * @param {[type]} d
 * @param {[type]} n
 */
export declare function setYears(d: any, n: any): Date;
/**
 * Return `d` as a new date with `n` months added.
 *
 * @export
 * @param {[type]} d
 * @param {[type]} n
 */
export declare function setDays(d: any, n: any): Date;
/**
 * Return `true` if two dates are the same day, ignoring the time.
 *
 * @export
 * @param  {Date}  d1
 * @param  {Date}  d2
 * @return {Boolean}
 */
export declare function isSameDay(d1: any, d2: any): boolean;
/**
 * Return `true` if currDay in rangeArr, ignoring the time.
 *
 * @export
 * @param  {Date[]}  arr
 * @param  {Date}  currDay
 * @return {Boolean}
 */
export declare function isRangeDay(rangeArr: any, currDay: any): boolean;
export declare function isHoverRangeDay(rangeArr: any, compareDay: any, currDay: any): boolean;
/**
 * Return `true` if two dates fall in the same month.
 *
 * @export
 * @param  {Date}  d1
 * @param  {Date}  d2
 * @return {Boolean}
 */
export declare function isSameMonth(d1: any, d2: any): boolean;
/**
 * Returns `true` if the first day is before the second day.
 *
 * @export
 * @param {Date} d1
 * @param {Date} d2
 * @returns {Boolean}
 */
export declare function isDayBefore(d1: any, d2: any): boolean;
/**
 * Returns `true` if the first day is after the second day.
 *
 * @export
 * @param {Date} d1
 * @param {Date} d2
 * @returns {Boolean}
 */
export declare function isDayAfter(d1: any, d2: any): boolean;
/**
 * Return `true` if a day is in the past, e.g. yesterday or any day
 * before yesterday.
 *
 * @export
 * @param  {Date}  d
 * @return {Boolean}
 */
export declare function isPastDay(d: any): boolean;
/**
 * Return `true` if a day is in the future, e.g. tomorrow or any day
 * after tomorrow.
 *
 * @export
 * @param  {Date}  d
 * @return {Boolean}
 */
export declare function isFutureDay(d: any): boolean;
/**
 * Return `true` if day `d` is between days `d1` and `d2`,
 * without including them.
 *
 * @export
 * @param  {Date}  d
 * @param  {Date}  d1
 * @param  {Date}  d2
 * @return {Boolean}
 */
export declare function isDayBetween(d: any, d1: any, d2: any): boolean;
/**
 * Add a day to a range and return a new range. A range is an object with
 * `from` and `to` days.
 *
 * @export
 * @param {Date} day
 * @param {Object} range
 * @return {Object} Returns a new range object
 */
export declare function addDayToRange(day: any, range?: {
    from: null;
    to: null;
}): {
    from: null;
    to: null;
};
/**
 * Return `true` if a day is included in a range of days.
 *
 * @export
 * @param  {Date}  day
 * @param  {Object}  range
 * @return {Boolean}
 */
export declare function isDayInRange(day: any, range: any): boolean;
/**
 * Return the year's week number (as per ISO, i.e. with the week starting from monday)
 * for the given day.
 *
 * @export
 * @param {Date} day
 * @returns {Number}
 */
export declare function getWeekNumber(day: any): number;
/**
 * Return the year's week number (as per ISO, i.e. with the week starting from monday)
 * for the given day.
 *
 * @export
 * @param {Date} d
 * @param {Number} firstDayOfWeek
 * @param {Boolean} fixedWeeks
 * @returns {Array}
 */
export declare function getWeekArray(d: any, firstDayOfWeek: any, fixedWeeks: any): any;
/**
 * Return the format String for given Date.
 *
 * @export
 * @param {Date} date
 * @param {String} format
 * @param {String} locale
 * @returns {String}
 */
export declare function formatDate(date: any, format: any): string;
/**
 * Return the Date for given String.
 *
 * @export
 * @param {String} str
 * @param {String} format
 * @param {String} locale
 * @returns {Date}
 */
export declare function parseDate(str: any, format: any): any;
/**
 * Return the Date for given String or Date.
 *
 * @export
 * @param {String|Date} d
 * @param {String} format
 * @returns {Date}
 */
export declare function parseDateByStrOrDate(d: any, format?: string): Date | undefined;
/**
 * subtract for given  Date over unit .
 *
 * @export
 * @param {Date} date
 * @param {Number} amount
 * @param {String} unit
 * @returns {Date}
 */
export declare function subtract(date: any, amount: any, unit: any): Date;
/**
 * add for given  Date over unit .
 *
 * @export
 * @param {Date} date
 * @param {Number} amount
 * @param {String} unit
 * @returns {Date}
 */
export declare function add(date: any, amount: any, unit: any): Date;
/**
 * date modify enum type.
 *
 * @export
 * @returns {Object}
 */
export declare const DATEMODIFYTYPE: {
    DAY: number;
    MONTH: number;
    YEAR: number;
    NOW: number;
    EXIT: number;
    INPUT: number;
    CONFIRM: number;
    HOVER: number;
    MOVEOUT: number;
    TIMEPICK: number;
};
declare const _default: {
    addDayToRange: typeof addDayToRange;
    addMonths: typeof addMonths;
    setMonths: typeof setMonths;
    setYears: typeof setYears;
    clone: typeof clone;
    getWeekNumber: typeof getWeekNumber;
    isDate: typeof isDate;
    isDayAfter: typeof isDayAfter;
    isDayBefore: typeof isDayBefore;
    isDayBetween: typeof isDayBetween;
    isDayInRange: typeof isDayInRange;
    isFutureDay: typeof isFutureDay;
    isPastDay: typeof isPastDay;
    isSameDay: typeof isSameDay;
    isRangeDay: typeof isRangeDay;
    isHoverRangeDay: typeof isHoverRangeDay;
    isSameMonth: typeof isSameMonth;
    getWeekArray: typeof getWeekArray;
    setDays: typeof setDays;
    formatDate: typeof formatDate;
    parseDate: typeof parseDate;
    parseDateByStrOrDate: typeof parseDateByStrOrDate;
    DATEMODIFYTYPE: {
        DAY: number;
        MONTH: number;
        YEAR: number;
        NOW: number;
        EXIT: number;
        INPUT: number;
        CONFIRM: number;
        HOVER: number;
        MOVEOUT: number;
        TIMEPICK: number;
    };
    subtract: typeof subtract;
    add: typeof add;
};
export default _default;