import { TranslationService as ITranslationService, TranslationRequest, TranslationResponse, TranslationApiConfig } from '../types/types';
export declare class TranslationService implements ITranslationService {
    private config;
    private rateLimitDelay;
    constructor(config: TranslationApiConfig);
    translate(request: TranslationRequest): Promise<TranslationResponse>;
    translateBatch(requests: TranslationRequest[]): Promise<TranslationResponse[]>;
    detectLanguage(text: string): Promise<string>;
    private translateWithDeepL;
    private translateWithGoogleCloud;
    private translateWithCustom;
    private handleRateLimit;
}