import { Temporal } from "@js-temporal/polyfill";
export interface LocaleWeekYearBounds {
    weekYear: number;
    /** First day of `weekYear`'s week 1. */
    start: Temporal.PlainDate;
    /** First day of `weekYear + 1`'s week 1 — an exclusive upper bound. */
    end: Temporal.PlainDate;
}
/**
 * Resolve the locale week-numbering year `date` belongs to, and the
 * `[start, end)` bounds (in calendar days) of that week-year, given a
 * locale's `firstDay` (1 = Monday .. 7 = Sunday) and `minimalDays` (the
 * minimum January days a week must have to count as week 1) — both from
 * `Intl.Locale.prototype.weekInfo`.
 *
 * Shared by `getLocaleWeekYear` (the year itself) and
 * `getWeeksInLocaleWeekYear` (the week count, derived from `start`/`end`).
 */
export declare function getLocaleWeekYearBounds(date: Temporal.PlainDate, firstDay: number, minimalDays: number): LocaleWeekYearBounds;