import ReactiveStore from '../reactive-store';
export declare type LangDefinition = Record<string, string>;
export declare type LangLoader = () => Promise<LangDefinition | {
    default: LangDefinition;
}>;
export interface IState {
    fallbackLang: string;
    lang: string;
    langs: Record<string, LangDefinition>;
}
export default class Translator extends ReactiveStore<IState> {
    langLoaders: Record<string, LangLoader>;
    getInitialState(): IState;
    loadLang(key: string): Promise<void>;
    protected ensureLangLoaded(): void;
    get(key: string): string;
    set lang(key: string);
    get lang(): string;
    set fallbackLang(key: string);
    get fallbackLang(): string;
    registerLang(key: string, loader: LangLoader): this;
}