/**
 * Locale Labels
 *
 * A market arrives as a BCP-47 tag. Editors read languages, not tags, so each
 * one is shown three ways: its own name for itself, its name in English, and a
 * badge short enough for a fixed square.
 */
export interface LocaleLabel {
    /**
     * The market's own name for itself, region or script included, e.g.
     * "Français (France)". Two markets of one language are named apart here:
     * "Português (Brasil)" against "Português europeu".
     */
    native: string;
    /** The locale's name in English, region included, e.g. "French (France)". */
    english: string;
    /** The badge, e.g. "FR". */
    tag: string;
    /**
     * The canonical BCP-47 tag, for an HTML `lang` attribute. Undefined when the
     * market is not a tag at all, where declaring a language would be a guess.
     */
    lang: string | undefined;
    dir: 'ltr' | 'rtl';
}
export declare function localeLabel(locale: string): LocaleLabel;