declare type Plugin = {
    getCurrentLang: () => string;
    listen: (cb: Plugin["getCurrentLang"]) => void;
};
export default class Lang {
    private _currentLang;
    private _default;
    private _updateMeta;
    static plugin: Plugin;
    static use(plugin: Plugin): void;
    constructor(defaultLang?: string);
    updateLang(lang: string): void;
    getLang(): any;
    setUpdateMeta(updateMeta: () => void): void;
}
export {};