export function addDays(date: any, days: any): Date;
export function setMonth(date: any, month: any): Date;
export function setYear(date: any, year: any): Date;
/**
 * Compare if two dates are in the same month of the same year.
 * @param {Date} a The first date to compare
 * @param {Date} b The second date to compare
 * @returns {boolean} The result
 */
export function isEqualMonth(a: Date, b: Date): boolean;
/**
 * Compare if two dates are equal in terms of day, month, and year
 * @param {Date} a The first date to compare
 * @param {Date} b The second date to compare
 * @returns {boolean} The result
 */
export function isEqual(a: Date, b: Date): boolean;
export function startOfWeek(date: any, firstDayOfWeek?: number): Date;
export function endOfWeek(date: any, firstDayOfWeek?: number): Date;
export function startOfMonth(date: any): Date;
export function endOfMonth(date: any): Date;
/**
 * given a date, return an array of dates from a calendar perspective
 * @param {Date} date The date to start the calendar from
 * @param {number} firstDayOfWeek The number of the first day of the week
 * @returns {Date[]}
 */
export function getViewOfMonth(date: Date, firstDayOfWeek?: number): Date[];
/**
 * Ensures date is within range, returns min or max if out of bounds
 * @param {Date} date
 * @param {Date} min
 * @param {Date} max
 * @returns {Date}
 */
export function clamp(date: Date, min: Date, max: Date): Date;
/**
 * Check if date is within a min and max
 * @param {Date} date
 * @param {Date} min
 * @param {Date} max
 * @returns {boolean}
 */
export function inRange(date: Date, min: Date, max: Date): boolean;
/**
 * Check if date is Saturday or Sunday
 * @param {Date} date
 * @returns {boolean}
 */
export function isWeekend(date: Date): boolean;
export namespace DaysOfWeek {
    let Sunday: number;
    let Monday: number;
    let Tuesday: number;
    let Wednesday: number;
    let Thursday: number;
    let Friday: number;
    let Saturday: number;
}