import type { DateCalendar, DateSegment, FirstDayOfWeek, IsoDate } from './types';
export type DateSegmentLayoutPart = Readonly<{
    kind: 'segment';
    type: DateSegment;
    value: string;
}> | Readonly<{
    kind: 'literal';
    value: string;
}>;
export type WeekdayLabel = Readonly<{
    short: string;
    long: string;
}>;
export type CalendarEraOption = Readonly<{
    id: string;
    label: string;
}>;
export declare function resolveDateLocale(locale?: string): string;
export declare function createUtcPresentationDate(date: IsoDate): Date;
export declare function formatLocalizedNumber(value: number, locale: string): string;
export declare function normalizeLocalizedDigits(value: string, locale: string): string;
export declare function getCalendarEraOptions(locale: string, calendar: DateCalendar): CalendarEraOption[];
export declare function getDateSegmentLayout(value: string, locale: string, calendar: DateCalendar): DateSegmentLayoutPart[];
export declare function formatDateValue(value: string, locale: string, calendar: DateCalendar): string;
export declare function getFallbackFirstDayOfWeekForRegion(region: string): FirstDayOfWeek;
export declare function getLocaleFirstDayOfWeek(locale: string): FirstDayOfWeek;
export declare function getLocaleDirection(locale: string): 'ltr' | 'rtl';
export declare function getWeekdayLabels(locale: string, firstDayOfWeek: FirstDayOfWeek): WeekdayLabel[];
export declare function formatCalendarMonthHeading(value: string, locale: string, calendar: DateCalendar): string;
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