import { type LocaleVocab as BaseLocaleVocab } from './localeVocab.cjs';
export interface ExtendedLocaleVocab extends BaseLocaleVocab {
    quartersLong?: string[];
    quartersShort?: string[];
    erasLong?: string[];
    erasShort?: string[];
    ordinals?: string[];
    durationUnits?: {
        years: [string, string];
        months: [string, string];
        weeks: [string, string];
        days: [string, string];
        hours: [string, string];
        minutes: [string, string];
        seconds: [string, string];
        milliseconds: [string, string];
    };
    relativeTime?: {
        past: string;
        future: string;
        now: string;
    };
}
export declare function registerLocale(locale: string, vocab: ExtendedLocaleVocab): void;
export declare function getLocale(locale: string): ExtendedLocaleVocab | undefined;
export declare function hasLocale(locale: string): boolean;
export type { LocaleVocab } from './localeVocab.cjs';