import { Temporal } from 'temporal-polyfill';

type DayOfWeek = 1 | 2 | 3 | 4 | 5 | 6 | 7;

declare function endOfDay<T extends Temporal.PlainTime | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T): T;

interface EndOfMonthOptions {
    preserveTime?: boolean;
}
declare function endOfMonth<T extends Temporal.PlainDate | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T, options?: EndOfMonthOptions): T;

declare function endOfWeek<T extends Temporal.PlainDate | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T): T;

declare function firstDayOfWeekOfMonth<T extends Temporal.PlainDate | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T, dayOfWeek: DayOfWeek): T;

declare function fromDate(date: Date): Temporal.Instant;

declare function lastDayOfWeekOfMonth<T extends Temporal.PlainDate | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T, dayOfWeek: DayOfWeek): T;

declare function nextDayOfWeek<T extends Temporal.PlainDate | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T, dayOfWeek: DayOfWeek): T;

declare function previousDayOfWeek<T extends Temporal.PlainDate | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T, dayOfWeek: DayOfWeek): T;

declare function startOfDay<T extends Temporal.PlainTime | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T): T;

interface StartOfMonthOptions {
    preserveTime?: boolean;
}
declare function startOfMonth<T extends Temporal.PlainDate | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T, options?: StartOfMonthOptions): T;

declare function startOfWeek<T extends Temporal.PlainDate | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T): T;

declare function toDate<T extends Temporal.Instant | Temporal.PlainDate | Temporal.PlainDateTime | Temporal.ZonedDateTime>(temporal: T): Date;

export { type DayOfWeek, type EndOfMonthOptions, type StartOfMonthOptions, endOfDay, endOfMonth, endOfWeek, firstDayOfWeekOfMonth, fromDate, lastDayOfWeekOfMonth, nextDayOfWeek, previousDayOfWeek, startOfDay, startOfMonth, startOfWeek, toDate };