import type { ContextOptions, DateArg } from "./types.ts";
/**
 * The {@link setHours} function options.
 */
export interface SetHoursOptions<DateType extends Date = Date>
  extends ContextOptions<DateType> {}
/**
 * @name setHours
 * @category Hour Helpers
 * @summary Set the hours to the given date.
 *
 * @description
 * Set the hours 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 hours - The hours of the new date
 * @param options - An object with options
 *
 * @returns The new date with the hours set
 *
 * @example
 * // Set 4 hours to 1 September 2014 11:30:00:
 * const result = setHours(new Date(2014, 8, 1, 11, 30), 4)
 * //=> Mon Sep 01 2014 04:30:00
 */
export declare function setHours<
  DateType extends Date,
  ResultDate extends Date = DateType,
>(
  date: DateArg<DateType>,
  hours: number,
  options?: SetHoursOptions<ResultDate> | undefined,
): ResultDate;
