/// <reference types="node" />
import type { AuthBasedEngineOptions } from '../../../apiCommon';
import { PlayRequestConfig } from '../../config/PlayRequestConfig';
import { InternalAuthBasedEngine } from './V3InternalSettings';
export declare function generateAuthBasedStream(text: string, voice: string, options: AuthBasedEngineOptions, reqConfig: PlayRequestConfig): Promise<NodeJS.ReadableStream>;
export declare const getInternalEngineForEndpoint: (options: AuthBasedEngineOptions) => InternalAuthBasedEngine;
