import LanguageDetector from 'i18next-browser-languagedetector';
/**
 * Backend for usage with `i18n-next` that provides translations for internal
 * messages.
 */
export declare const WidgetToolkitI18nBackend: import("i18next").BackendModule<object>;
/**
 * A language detector that reads the language from the widget url.
 */
export declare class WidgetApiLanguageDetector extends LanguageDetector {
    constructor();
}