export type OpenaiVoice = 'alloy' | 'echo' | 'fable' | 'onyx' | 'nova' | 'shimmer';
export interface OpenAITTSPayload {
    /**
     * @title 语音合成的文本
     */
    input: string;
    options: {
        /**
         * @title 语音合成的模型名称
         */
        model: string;
        /**
         * @title 语音合成的声音名称
         */
        voice: OpenaiVoice;
    };
}
export interface OpenAITTSAPI {
    OPENAI_API_KEY?: string;
    OPENAI_PROXY_URL?: string;
    headers?: Headers;
    serviceUrl?: string;
}
export declare class OpenAITTS {
    private OPENAI_BASE_URL;
    private OPENAI_API_KEY;
    private serviceUrl;
    private headers?;
    constructor(api?: OpenAITTSAPI);
    get voiceOptions(): import("rc-select/lib/Select").DefaultOptionType[] | undefined;
    static voiceList: readonly ["alloy", "echo", "fable", "onyx", "nova", "shimmer"];
    fetch: (payload: OpenAITTSPayload) => Promise<Response>;
    create: (payload: OpenAITTSPayload) => Promise<Response>;
    createAudio: (payload: OpenAITTSPayload) => Promise<AudioBuffer>;
}