import type {
ContextOptions,
DateArg,
LocalizedOptions,
WeekOptions,
} from "./types.js";
/**
* The {@link setDay} function options.
*/
export interface SetDayOptions<DateType extends Date = Date>
extends LocalizedOptions<"options">,
WeekOptions,
ContextOptions<DateType> {}
/**
* @name setDay
* @category Weekday Helpers
* @summary Set the day of the week to the given date.
*
* @description
* Set the day of the week to the given date.
*
* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
* @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.
*
* @param date - The date to be changed
* @param day - The day of the week of the new date
* @param options - An object with options.
*
* @returns The new date with the day of the week set
*
* @example
* // Set week day to Sunday, with the default weekStartsOn of Sunday:
* const result = setDay(new Date(2014, 8, 1), 0)
* //=> Sun Aug 31 2014 00:00:00
*
* @example
* // Set week day to Sunday, with a weekStartsOn of Monday:
* const result = setDay(new Date(2014, 8, 1), 0, { weekStartsOn: 1 })
* //=> Sun Sep 07 2014 00:00:00
*/
export declare function setDay<
DateType extends Date,
ResultDate extends Date = DateType,
>(
date: DateArg<DateType>,
day: number,
options?: SetDayOptions<ResultDate>,
): ResultDate;