import { IHookFunctions } from 'n8n-workflow';
export declare function processVoiceMessage(voiceUrl: string, nodeThis: IHookFunctions, witaiCredentials: any, voiceProcessingMode: string, manualLanguage: string): Promise<{
    voiceText: string;
    detectedLanguage?: string;
    confidence?: number;
    processingError?: string;
}>;