import { ConfigService } from '../../config/services/config.service';
import { SttProviderRegistryService } from './stt-provider-registry.service';
export declare class SttProviderService {
    private readonly configService;
    private readonly sttProviderRegistry;
    private readonly logger;
    constructor(configService: ConfigService, sttProviderRegistry: SttProviderRegistryService);
    transcribe(audioBuffer: Buffer, mimeType: string): Promise<string>;
    isConfigured(): boolean;
    private handleProviderError;
    private getSystemLanguage;
    private getConfig;
}