declare const LANGUAGE_OPTIONS: {
    中文: string;
    英文: string;
    日文: string;
    粤语: string;
    韩文: string;
    中英混合: string;
    日英混合: string;
    粤英混合: string;
    韩英混合: string;
    多语种混合: string;
    '\u591A\u8BED\u79CD\u6DF7\u5408(\u7CA4\u8BED)': string;
};
declare const TEXT_CUT_OPTIONS: {
    不切: string;
    凑四句一切: string;
    凑50字一切: string;
    '\u6309\u4E2D\u6587\u53E5\u53F7\u3002\u5207': string;
    '\u6309\u82F1\u6587\u53E5\u53F7.\u5207': string;
    按标点符号切: string;
};
interface VoiceGenerationConfig {
    prompt_language?: keyof typeof LANGUAGE_OPTIONS;
    text_language?: keyof typeof LANGUAGE_OPTIONS;
    how_to_cut?: keyof typeof TEXT_CUT_OPTIONS;
    top_k?: number;
    top_p?: number;
    temperature?: number;
    ref_text_free?: boolean;
    speed?: number;
    if_freeze?: boolean;
    inp_refs?: string[] | null;
    sample_steps?: number;
    if_sr?: boolean;
    pause_second?: number;
}
declare class GPTSoVITSAPI {
    private baseUrl;
    private sessionHash;
    private modelVersion;
    constructor(baseUrl?: string, modelVersion?: string);
    private generateSessionHash;
    /**
     * 验证参数是否在允许范围内
     */
    private validateConfig;
    /**
     * 验证音频文件
     */
    private validateAudioFile;
    /**
     * 发送请求到 Gradio 队列
     */
    private sendToQueue;
    /**
     * 通过 SSE 监听任务完成状态
     */
    private waitForCompletion;
    /**
     * 将音频文件上传到 Gradio
     */
    private prepareAudioFile;
    /**
     * 准备多个参考音频文件
     */
    private prepareMultipleAudioFiles;
    /**
     * 获取文件MIME类型
     */
    private getMimeType;
    /**
     * 设置 GPT 模型
     */
    setGptModel(modelName: string): Promise<boolean>;
    /**
     * 设置 SoVITS 模型
     */
    setSovitsModel(modelName: string, promptLanguage?: keyof typeof LANGUAGE_OPTIONS, textLanguage?: keyof typeof LANGUAGE_OPTIONS): Promise<boolean>;
    /**
     * 生成语音
     */
    generateVoice(refVoicePath: string, refVoiceText: string, targetText: string, config?: VoiceGenerationConfig): Promise<string>;
    /**
     * 获取可用的语言选项
     */
    static getLanguageOptions(): string[];
    /**
     * 获取可用的文本切分选项
     */
    static getTextCutOptions(): string[];
    /**
     * 获取模型版本允许的采样步数
     */
    getSampleStepsOptions(): number[];
    /**
     * 获取音频文件的下载URL
     */
    getAudioDownloadUrl(audioPath: string): string;
    /**
     * 下载生成的音频文件
     */
    downloadAudio(audioPath: string, outputPath: string): Promise<void>;
}
/**
 * 设置 GPT 模型
 */
export declare function set_gpt_model(modelName: string): Promise<boolean>;
/**
 * 设置 SoVITS 模型
 */
export declare function set_sovits_model(modelName: string, promptLanguage?: keyof typeof LANGUAGE_OPTIONS, textLanguage?: keyof typeof LANGUAGE_OPTIONS): Promise<boolean>;
/**
 * 生成语音
 */
export declare function generate_voice(refVoicePath: string, refVoiceText: string, targetText: string, config?: VoiceGenerationConfig): Promise<string>;
export { GPTSoVITSAPI, VoiceGenerationConfig, LANGUAGE_OPTIONS, TEXT_CUT_OPTIONS };
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