/**
 * 科大讯飞语音 SDK 类型定义
 */
/** ASR 识别状态 */
export type RecognizerState = 'idle' | 'connecting' | 'connected' | 'recording' | 'stopped' | 'error';
/**
 * ASR 配置选项
 *
 * 包含语音识别所需的所有配置参数。
 */
export interface XfyunASROptions {
    appId: string;
    apiKey: string;
    apiSecret: string;
    language?: 'zh_cn' | 'en_us';
    domain?: 'iat' | 'medical' | 'assistant';
    accent?: 'mandarin' | 'cantonese';
    vadEos?: number;
    maxAudioSize?: number;
    autoStart?: boolean;
    hotWords?: string[];
    punctuation?: boolean | string;
    audioFormat?: string;
    reconnectAttempts?: number;
    reconnectInterval?: number;
    enableReconnect?: boolean;
    logLevel?: 'debug' | 'info' | 'warn' | 'error';
}
/**
 * ASR 事件处理函数接口
 *
 * 定义语音识别过程中可注册的事件回调。
 */
export interface ASREventHandlers {
    onStart?: () => void;
    onStop?: () => void;
    onRecognitionResult?: (text: string, isEnd: boolean) => void;
    onProcess?: (volume: number) => void;
    onError?: (error: XfyunError) => void;
    onStateChange?: (state: RecognizerState) => void;
}
/**
 * 讯飞 API 错误对象
 */
export interface XfyunError {
    code: number;
    message: string;
    data?: unknown;
}
/** WebSocket 请求结构 */
export interface XfyunWebsocketRequest {
    common?: {
        app_id: string;
    };
    business?: {
        language?: string;
        domain?: string;
        accent?: string;
        vad_eos?: number;
        dwa?: string;
        pd?: string;
        ptt?: number;
        rlang?: string;
        vinfo?: number;
        nunum?: number;
        speex_size?: number;
        nbest?: number;
        wbest?: number;
        nlu?: string;
        hotwords?: string;
        punctuation?: string;
    };
    data?: {
        status: number;
        format: string;
        encoding: string;
        audio?: string;
    };
}
/** WebSocket 响应结构 */
export interface XfyunWebsocketResponse {
    code: number;
    message: string;
    sid?: string;
    data?: {
        result?: {
            ws: Array<{
                bg: number;
                cw: Array<{
                    w: string;
                    sc: number;
                }>;
            }>;
            sn: number;
            ls: boolean;
            bg: number;
            ed: number;
        };
        status: number;
    };
}
/** TTS 音频格式类型 */
export type TTSAudioFormat = 'mp3' | 'wav' | 'pcm';
/**
 * TTS 音色名称类型
 *
 * 包含讯飞 TTS 支持的所有音色选项。
 */
export type TTSVoiceName = 'xiaoyan' | 'aisjiuxu' | 'aisxping' | 'aisjinger' | 'aisbabyxu' | 'aisxiaoyuan' | 'aisxingchen' | 'aisdengdeng' | 'aisyaoyao' | 'aismall' | 'aisxiaofeng' | 'aisnan' | 'aisxiaosong' | 'aisxiaoyong' | 'aisxiaowang' | 'aisxiaole' | 'aisxiaoy' | 'aisxiaolin' | 'aisxiaoming' | 'aisxiaogang' | 'aisdarong' | 'aisnvpeach' | 'aisxiaowuma' | 'aisxiaorong' | 'aischanghong' | 'aisxiaoyaxi' | 'aisjiuyuan' | 'aisxiaoxian' | 'aisxiaomao' | 'aisxiaoli' | 'aisxiaokan' | 'aisxiaoning' | 'aismary' | 'aisxiaowawa' | 'aisxiaoxue' | 'aisxiaoyan';
/** TTS 合成器状态类型 */
export type SynthesizerState = 'idle' | 'connecting' | 'connected' | 'synthesizing' | 'stopped' | 'error';
/** TTS 错误对象 */
export interface TTSError {
    code: number;
    message: string;
    data?: unknown;
}
/**
 * TTS 事件处理函数接口
 *
 * 定义语音合成过程中可注册的事件回调。
 */
export interface TTSEventHandlers {
    onStart?: () => void;
    onEnd?: () => void;
    onStop?: () => void;
    onAudioData?: (audioData: ArrayBuffer) => void;
    onProgress?: (current: number, total: number) => void;
    onError?: (error: TTSError) => void;
    onStateChange?: (state: SynthesizerState) => void;
}
/**
 * TTS 配置选项
 *
 * 包含语音合成所需的所有配置参数。
 */
export interface XfyunTTSOptions {
    appId: string;
    apiKey: string;
    apiSecret: string;
    voice_name?: TTSVoiceName | string;
    speed?: number;
    pitch?: number;
    volume?: number;
    accent?: string;
    audioFormat?: TTSAudioFormat;
    sampleRate?: number;
    autoStart?: boolean;
    enableCache?: boolean;
    logLevel?: 'debug' | 'info' | 'warn' | 'error';
}
/** 翻译模式类型 */
export type TranslatorType = 'asr' | 'text';
/** 源语言代码 */
export type SourceLanguage = 'cn' | 'en' | 'ja' | 'ko' | 'fr' | 'es' | 'it' | 'de' | 'pt' | 'vi' | 'id' | 'ms' | 'ru' | 'ar' | 'hi' | 'th';
/** 目标语言代码 */
export type TargetLanguage = 'cn' | 'en' | 'ja' | 'ko' | 'fr' | 'es' | 'it' | 'de' | 'pt' | 'vi' | 'id' | 'ms' | 'ru' | 'ar' | 'hi' | 'th';
/** 翻译器状态类型 */
export type TranslatorState = 'idle' | 'connecting' | 'connected' | 'translating' | 'stopped' | 'error';
/** 翻译错误对象 */
export interface TranslatorError {
    code: number;
    message: string;
    data?: unknown;
}
/** 翻译结果对象 */
export interface TranslationResult {
    sourceLanguage: SourceLanguage;
    targetLanguage: TargetLanguage;
    sourceText: string;
    targetText: string;
    isFinal: boolean;
    confidence?: number;
}
/**
 * 翻译事件处理函数接口
 *
 * 定义语音/文本翻译过程中可注册的事件回调。
 */
export interface TranslatorEventHandlers {
    onStart?: () => void;
    onEnd?: () => void;
    onStop?: () => void;
    onResult?: (result: TranslationResult) => void;
    onError?: (error: TranslatorError) => void;
    onStateChange?: (state: TranslatorState) => void;
}
/**
 * 翻译器配置选项
 *
 * 包含语音/文本翻译所需的所有配置参数。
 */
export interface XfyunTranslatorOptions {
    appId: string;
    apiKey: string;
    apiSecret: string;
    type?: TranslatorType;
    from?: SourceLanguage;
    to?: TargetLanguage;
    domain?: 'iner' | 'video' | 'command' | 'doc' | 'phonecall' | 'medical';
    autoStart?: boolean;
    vadEos?: number;
    sampleRate?: number;
    logLevel?: 'debug' | 'info' | 'warn' | 'error';
}
/**
 * 离线 ASR 配置选项
 *
 * 用于无网络情况下的语音识别引擎配置。
 */
export interface OfflineASROptions {
    /** 引擎类型，固定为 'smsys' */
    engine?: 'smsys';
    /** 语言 */
    language?: 'zh_cn' | 'en_us';
    /** 领域 */
    domain?: 'iat' | 'search' | 'commands';
    /** 采样率 */
    sampleRate?: 8000 | 16000;
    /** 垂直领域（可选） */
    nbest?: number;
    /** 识别结果候选数 */
    wbest?: number;
}
/**
 * 声纹识别配置选项
 * @description 声纹识别（ Speaker Verification / Identification ）
 */
export interface SpeakerVerifyOptions {
    /** 讯飞应用 ID */
    appId: string;
    /** 讯飞 API Key */
    apiKey: string;
    /** 讯飞 API Secret */
    apiSecret: string;
    /** 声纹场景: verify=验证, identify=识别 */
    scene: 'verify' | 'identify';
    /** 声纹模型: 21360=一比一验证, 21361=一比N识别 */
    engine_type: '21360' | '21361';
    /** 用户 ID（identify 模式必填） */
    user_id?: string;
    /** 音频格式 */
    audioFormat?: 'wav' | 'pcm' | 'opus';
    /** 采样率 */
    sampleRate?: number;
    /** 日志级别 */
    logLevel?: 'debug' | 'info' | 'warn' | 'error';
}
/**
 * 声纹识别结果
 */
export interface SpeakerVerifyResult {
    /** 是否验证通过 */
    success: boolean;
    /** 置信度 0-100 */
    score: number;
    /** 识别到的用户 ID（identify 模式） */
    user_id?: string;
    /** 错误信息 */
    message?: string;
}
/**
 * 声纹注册结果
 */
export interface SpeakerRegisterResult {
    success: boolean;
    message: string;
    user_id?: string;
}
/**
 * 检测是否在浏览器环境
 */
export declare function isBrowser(): boolean;
/**
 * 获取 SDK 版本
 */
export declare const SDK_VERSION: string;