import { INodeProperties, INodePropertyOptions } from 'n8n-workflow';
export declare const smartSpeechModels: Array<INodePropertyOptions | INodeProperties>;
export declare const smartSpeechLanguages: Array<INodePropertyOptions | INodeProperties>;
export declare const smartSpeechVoices: Array<INodePropertyOptions | INodeProperties>;
export declare const smartSpeechFormats: INodePropertyOptions[];
export declare const smartSpeechHertz: INodePropertyOptions[];