import * as PlainDateFns from 'temporal-polyfill/fns/PlainDate';
import * as PlainYearMonthFns from 'temporal-polyfill/fns/PlainYearMonth';
import type { IsoDateString } from '@lmvz-ds/lib-ts/date/IsoDateString.js';
import type { Datepicker } from '../../api';
export declare function isSelected(date: PlainDateFns.Record, value: PlainDateFns.Record | undefined): boolean;
export declare function isDisabled(date: PlainDateFns.Record, min: PlainDateFns.Record | undefined, max: PlainDateFns.Record | undefined): boolean;
export declare function buildCalendarGrid(visibleMonth: PlainYearMonthFns.Record): PlainDateFns.Record[];
export declare function isInFirstWeekOfMonth(date: PlainDateFns.Record): boolean;
export declare function isInLastWeekOfMonth(date: PlainDateFns.Record): boolean;
export declare function firstSelectableDayOfMonth(visibleMonth: PlainYearMonthFns.Record, min: PlainDateFns.Record | undefined, max: PlainDateFns.Record | undefined): PlainDateFns.Record | null;
export declare function lastSelectableDayOfMonth(visibleMonth: PlainYearMonthFns.Record, min: PlainDateFns.Record | undefined, max: PlainDateFns.Record | undefined): PlainDateFns.Record | null;
export declare function getNavLabels(locale: string): {
    prev: string;
    next: string;
};
export declare function getValidationLabels(locale: string): {
    popoverSuffix: string;
    invalidDateMessage: string;
};
export declare function derivePatternFromLocale(locale: string): Datepicker.DisplayFormat;
export declare function formatToDisplay(value: IsoDateString | undefined, locale: string, displayFormat?: Datepicker.DisplayFormat): string;
export declare function parseFromDisplay(text: string, locale: string, displayFormat?: Datepicker.DisplayFormat): IsoDateString | undefined;