export declare const getEndOfWeek: (_date: Date, weekStartsOn?: 0 | 1 | 6) => Date;
export declare const getStartOfWeek: (_date: Date, weekStartsOn?: 0 | 1 | 6) => Date;
export declare const getStartOfFirstWeekOfTheYear: (_date: Date, weekStartsOn?: 0 | 1 | 6) => Date;
/**
 * Locale determines the first day of week (0 - Sunday, 1 - Monday, ..., 6 - Saturday).
 * Three settings for the first day of week are most used around the world:
 * - ISO-8601: Europe uses Monday (1)
 * - US, Canada uses Sunday (0)
 * - Most of Arab countries use Saturday (6)
 *
 * @param {String} locale The currently active locale.
 * @returns {Number}      The week day number
 */
export declare const getFirstDayOfWeek: (locale: string) => 0 | 1 | 6;
/**
 * Returns the beginning and end date of the given week number.
 *
 * @param {Number} weekNumber     The week number of a year (0 - 53)
 * @param {Number} year           Full year in which the week occurs.
 * @param {Number} weekStartsOn   Weeks starting on (1) Monday - ISO-8601, (0) Sunday - US, Canada
 *                                or (6) Saturday - Islamic countries
 * @returns {Date[]}              The beginning and the end of given week.
 */
export declare const getDateRangeOfWeek: (weekNumber: number, year: number, weekStartsOn?: 0 | 1 | 6) => Date[];
export declare const getWeekNumber: (_date: Date, weekStartsOn?: 0 | 1 | 6) => number;
export declare const getWeekDays: (locale: string) => string[];
export declare const getMonthName: (month: number, locale: string) => string;
/**
 * Returns the number of days in a given month.
 */
export declare const numDaysInMonth: (_date: Date) => number;
export declare const isAfterDate: (date: Date | null, day: number, month: number, year: number, hour?: number, minute?: number, second?: number) => boolean;
export declare const isBeforeDate: (date: Date | null, day: number, month: number, year: number, hour?: number, minute?: number, second?: number) => boolean;
export declare const isSameDay: (date: Date | null, day: number, month: number, year: number) => boolean;