import type { Translator } from "./types";
/**
 * @see Translator implementation that uses the DeepL API.
 * This API requires an API key which must be stored in the
 * environment variable DEEPL_API_KEY.
 */
export declare class DeeplTranslator implements Translator {
    private translator;
    init(): Promise<void>;
    /**
     * Maps ioBroker language codes to DeepL language codes
     */
    private mapLanguageCode;
    translate(text: string, targetLang: string): Promise<string>;
}