import { DateTime } from '../main';
/**
 * @name setWeekDay
 * @category Plugins.
 * @summary Set the day of the week to the given date.
 * @description Set the day of the week to the given date.
 * @param {DateTime} date - date - the date to be changed
 * @param {dayOfWeek} number - day - the day of the week of the new date
 * @param {weekStartsOn} number - the index of the first day of the week
 * Sunday:0|Monday:1|Tuesday:2|Wednesday:3|Thursday:4|Friday:5|Saturday:6
 * js-sugar/date Month index is 1..12
 * @returns {DateTime}  the new date with the day of the week set
 * @example
 * // Set week day to Sunday, with the default weekStartsOn of Sunday:
 * // js-sugar/date month index is 1..12
 * const result = setDay(new Date(2022, 8, 1), 0)
 * //=> Thu June 31 2022 00:00:00 (2022/7/31)
 *
 * @example
 * // Set week day to Sunday, with a weekStartsOn of Monday:
 * // js-sugar/date month index is 1..12
 * const result = setDay(new Date(2014, 9, 1), 0, { weekStartsOn: 1 })
 * //=> Sun Sep 07 2014 00:00:00
 */
export declare function setWeekDay(date: DateTime, dayOfWeek: number, weekStartsOn: number): DateTime;