import { Locale } from 'date-fns';
import { Ref } from 'vue';
/**
 * Reset locale cache. Only used for tests.
 *
 * @internal
 */
export declare function resetDateFnsLocaleCache(): void;
/**
 * Try to load the corresponding locale from date-fns for {@link getCanonicalLocale()}.
 * Fall back to {@link enUS} while loading, if the requested locale does not exist or could not be loaded.
 */
export default function useDateFnsLocale(): {
    isLoading: Ref<boolean>;
    locale: Ref<Locale>;
};