/**
 * This file was auto-generated by Fern from our API Definition.
 */
import * as environments from "../../../../environments";
import * as core from "../../../../core";
import * as ElevenLabs from "../../../index";
import * as stream from "stream";
export declare namespace SpeechToSpeech {
    interface Options {
        environment?: core.Supplier<environments.ElevenLabsEnvironment | environments.ElevenLabsEnvironmentUrls>;
        /** Specify a custom URL to connect the client to. */
        baseUrl?: core.Supplier<string>;
        /** Override the xi-api-key header */
        apiKey?: core.Supplier<string | undefined>;
    }
    interface RequestOptions {
        /** The maximum time to wait for a response in seconds. */
        timeoutInSeconds?: number;
        /** The number of times to retry the request. Defaults to 2. */
        maxRetries?: number;
        /** A hook to abort the request. */
        abortSignal?: AbortSignal;
        /** Override the xi-api-key header */
        apiKey?: string | undefined;
        /** Additional headers to include in the request. */
        headers?: Record<string, string>;
    }
}
export declare class SpeechToSpeech {
    protected readonly _options: SpeechToSpeech.Options;
    constructor(_options?: SpeechToSpeech.Options);
    /**
     * Transform audio from one voice to another. Maintain full control over emotion, timing and delivery.
     * @throws {@link ElevenLabs.UnprocessableEntityError}
     */
    convert(voiceId: string, request: ElevenLabs.BodySpeechToSpeechV1SpeechToSpeechVoiceIdPost, requestOptions?: SpeechToSpeech.RequestOptions): Promise<stream.Readable>;
    /**
     * Stream audio from one voice to another. Maintain full control over emotion, timing and delivery.
     * @throws {@link ElevenLabs.UnprocessableEntityError}
     */
    convertAsStream(voiceId: string, request: ElevenLabs.BodySpeechToSpeechStreamingV1SpeechToSpeechVoiceIdStreamPost, requestOptions?: SpeechToSpeech.RequestOptions): Promise<stream.Readable>;
}