import type { ILoadOptionsFunctions, INodePropertyOptions } from 'n8n-workflow';
export declare const loadOptions: {
    listVoiceGenders(this: ILoadOptionsFunctions): Promise<{
        name: string;
        value: string;
    }[]>;
    listVoiceAges(this: ILoadOptionsFunctions): Promise<{
        name: string;
        value: string;
    }[]>;
    listVoiceAccents(this: ILoadOptionsFunctions): Promise<{
        name: string;
        value: string;
    }[]>;
    listModels(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]>;
    listVoices(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]>;
};