export interface RendererOptions {
    append: boolean;
}
/** 日志级别。*/
export declare enum NERtcLogLevel {
    kNERtcLogLevelFatal = 0,
    kNERtcLogLevelError = 1,
    kNERtcLogLevelWarning = 2,
    kNERtcLogLevelInfo = 3,
    kNERtcLogLevelDetailInfo = 4,
    kNERtcLogLevelVerbos = 5,
    kNERtcLogLevelDebug = 6,
    kNERtcLogLevelOff = 7
}
export interface NERtcJoinChannelOptions {
    custom_info: string; /**< 自定义信息，最长支持 127 个字符。 <127chars */
    permission_key: string; /**< 权限密钥。能控制通话时长及媒体权限能力。*/
}
/** 范围语音模式。*/
export declare enum NERtcRangeAudioMode {
    NERtcRangeAudioModeDefault = 0,
    NERtcRangeAudioModeTeam = 1
}
export interface NERtcJoinChannelOptionsEx {
    custom_info: string; /**< 自定义信息，最长支持 127 个字符。 <127chars */
    permission_key: string; /**< 权限密钥。能控制通话时长及媒体权限能力。*/
    team_id: number; /**< 小队号。*/
    mode: NERtcRangeAudioMode; /**<  语音模式。 */
    audible_distance: number; /**< 语音接收范围。*/
}
/** 音频帧请求格式。*/
export interface NERtcAudioFrameRequestFormat {
    channels: number; /**< 音频声道数量。如果是立体声，数据是交叉的。单声道: 1；双声道 : 2。*/
    sample_rate: number; /**< 采样率。*/
    mode: NERtcRawAudioFrameOpModeType; /**< 读写模式*/
}
/** 私有化服务器配置项 */
export interface NERtcServerAddresses {
    channel_server: string; /**< 获取通道信息服务器, <256chars */
    statistics_server: string; /**< 统计上报服务器, <256chars */
    room_server: string; /**< roomServer服务器, <256chars */
    compat_server: string; /**< 兼容性配置服务器, <256chars */
    nos_lbs_server: string; /**< nos 域名解析服务器, <256chars */
    nos_upload_sever: string; /**< 默认nos 上传服务器, <256chars */
    nos_token_server: string; /**< 获取NOS token 服务器, <256chars */
    use_ipv6: Boolean; /**< 是否使用IPv6（默认false) */
}
export interface NERtcEngineContext {
    app_key: string; /**< 用户注册云信的APP Key。如果你的开发包里面缺少 APP Key，请申请注册一个新的 APP Key。*/
    log_dir_path: string; /**< 日志目录的完整路径，采用UTF-8 编码。*/
    log_level: NERtcLogLevel; /**< 日志级别，默认级别为 kNERtcLogLevelInfo。*/
    log_file_max_size_KBytes: number; /**< 指定 SDK 输出日志文件的大小上限，单位为 KB。如果设置为 0，则默认为 20 M。*/
    server_config: NERtcServerAddresses; /**< 私有化服务器地址 */
}
/** 场景模式 */
export declare enum NERtcChannelProfileType {
    kNERtcChannelProfileCommunication = 0,
    kNERtcChannelProfileLiveBroadcasting = 1
}
/** 视频流类型。*/
export declare enum NERtcRemoteVideoStreamType {
    kNERtcRemoteVideoStreamTypeHigh = 0,
    kNERtcRemoteVideoStreamTypeLow = 1,
    kNERtcRemoteVideoStreamTypeNone = 2
}
/** 错误代码。

错误代码意味着 SDK 遇到不可恢复的错误，需要应用程序干预。
*/
export declare enum NERtcErrorCode {
    kNERtcNoError = 0,
    kNERtcErrChannelReservePermissionDenied = 403,
    kNERtcErrChannelReserveTimeOut = 408,
    kNERtcErrChannelReserveErrorParam = 414,
    kNERtcErrChannelReserveServerFail = 500,
    kNERtcErrChannelReserveMoreThanTwoUser = 600,
    kNERtcErrLsTaskRequestInvalid = 1301,
    kNERtcErrLsTaskIsInvaild = 1400,
    kNERtcErrLsTaskRoomExited = 1401,
    kNERtcErrLsTaskNumLimit = 1402,
    kNERtcErrLsTaskDuplicateId = 1403,
    kNERtcErrLsTaskNotFound = 1404,
    kNERtcErrLsTaskRequestErr = 1417,
    kNERtcErrLsTaskInternalServerErr = 1500,
    kNERtcErrLsTaskInvalidLayout = 1501,
    kNERtcErrLsTaskUserPicErr = 1512,
    kNERtcErrChannelStartFail = 11000,
    kNERtcErrChannelDisconnected = 11001,
    kNERtcErrVersionSelfLow = 11002,
    kNERtcErrVersionRemoteLow = 11003,
    kNERtcErrChannelClosed = 11004,
    kNERtcErrChannelKicked = 11005,
    kNERtcErrDataError = 11400,
    kNERtcErrInvalid = 11403,
    kNERtcErrChannelJoinTimeOut = 20101,
    kNERtcErrChannelJoinMeetingModeError = 20102,
    kNERtcErrChannelJoinRtmpModeError = 20103,
    kNERtcErrChannelJoinRtmpNodesError = 20104,
    kNERtcErrChannelJoinRtmpHostError = 20105,
    kNERtcErrChannelJoinRtmpCreateError = 20106,
    kNERtcErrChannelJoinLayoutError = 20208,
    kNERtcErrChannelJoinInvalidParam = 20400,
    kNERtcErrChannelJoinDesKey = 20401,
    kNERtcErrChannelJoinInvalidRequst = 20417,
    kNERtcErrChannelServerUnknown = 20500,
    kNERtcErrFatal = 30001,
    kNERtcErrOutOfMemory = 30002,
    kNERtcErrInvalidParam = 30003,
    kNERtcErrNotSupported = 30004,
    kNERtcErrInvalidState = 30005,
    kNERtcErrLackOfResource = 30006,
    kNERtcErrInvalidIndex = 30007,
    kNERtcErrDeviceNotFound = 30008,
    kNERtcErrInvalidDeviceSourceID = 30009,
    kNERtcErrInvalidVideoProfile = 30010,
    kNERtcErrCreateDeviceSourceFail = 30011,
    kNERtcErrInvalidRender = 30012,
    kNERtcErrDevicePreviewAlreadyStarted = 30013,
    kNERtcErrTransmitPendding = 30014,
    kNERtcErrConnectFail = 30015,
    kNERtcErrCreateDumpFileFail = 30016,
    kNERtcErrStartDumpFail = 30017,
    kNERtcErrDesktopCaptureInvalidState = 30020,
    kNERtcErrDesktopCaptureInvalidParam = 30021,
    kNERtcErrDesktopCaptureNotReady = 30022,
    kNERtcErrChannelAlreadyJoined = 30100,
    kNERtcErrChannelNotJoined = 30101,
    kNERtcErrChannelRepleatedlyLeave = 30102,
    kNERtcErrRequestJoinChannelFail = 30103,
    kNERtcErrSessionNotFound = 30104,
    kNERtcErrUserNotFound = 30105,
    kNERtcErrInvalidUserID = 30106,
    kNERtcErrMediaNotStarted = 30107,
    kNERtcErrSourceNotFound = 30108,
    kNERtcErrConnectionNotFound = 30200,
    kNERtcErrStreamNotFound = 30201,
    kNERtcErrAddTrackFail = 30202,
    kNERtcErrTrackNotFound = 30203,
    kNERtcErrMediaConnectionDisconnected = 30204,
    kNERtcErrSignalDisconnected = 30205,
    kNERtcErrServerKicked = 30206,
    kNERtcErrKickedForRoomClosed = 30207,
    kNERtcRuntimeErrADMNoAuthorize = 40000,
    kNERtcRuntimeErrVDMNoAuthorize = 50000,
    kNERtcRuntimeErrScreenCaptureNoAuthorize = 60000
}
/** 用户离开原因。*/
export declare enum NERtcSessionLeaveReason {
    kNERtcSessionLeaveNormal = 0,
    kNERtcSessionLeaveForFailOver = 1,
    kNERtcSessionLeaveUpdate = 2,
    kNERtcSessionLeaveForKick = 3,
    kNERtcSessionLeaveTimeOut = 4
}
/** 视频编码配置。用于衡量编码质量。*/
export declare enum NERtcVideoProfileType {
    kNERtcVideoProfileLowest = 0,
    kNERtcVideoProfileLow = 1,
    kNERtcVideoProfileStandard = 2,
    kNERtcVideoProfileHD720P = 3,
    kNERtcVideoProfileHD1080P = 4,
    kNERtcVideoProfileNone = 5,
    kNERtcVideoProfileMAX = 4,
    kNERtcVideoProfileFake = 6
}
export declare enum NERtcVideoScalingMode {
    kNERtcVideoScaleFit = 0,
    kNERtcVideoScaleFullFill = 1,
    kNERtcVideoScaleCropFill = 2
}
/** @enum NERtcVideoMirrorMode 设置镜像模式。*/
export declare enum NERtcVideoMirrorMode {
    kNERtcVideoMirrorModeAuto = 0,
    kNERtcVideoMirrorModeEnabled = 1,
    kNERtcVideoMirrorModeDisabled = 2
}
/** @enum NERtcVideoOutputOrientationMode 设置镜像模式。*/
export declare enum NERtcVideoOutputOrientationMode {
    kNERtcVideoOutputOrientationModeAdaptative = 0,
    kNERtcVideoOutputOrientationModeFixedLandscape = 1,
    kNERtcVideoOutputOrientationModeFixedPortrait = 2
}
/** @enum NERtcRawAudioFrameOpModeType 读写模式*/
export declare enum NERtcRawAudioFrameOpModeType {
    kNERtcRawAudioFrameOpModeReadOnly = 0,
    kNERtcRawAudioFrameOpModeReadWrite = 1
}
export interface NERtcVideoCanvas {
    mode: NERtcVideoScalingMode;
    view: Element;
}
export declare enum NERtcAudioProfileType {
    kNERtcAudioProfileDefault = 0,
    kNERtcAudioProfileStandard = 1,
    kNERtcAudioProfileStandardExtend = 2,
    kNERtcAudioProfileMiddleQuality = 3,
    kNERtcAudioProfileMiddleQualityStereo = 4,
    kNERtcAudioProfileHighQuality = 5,
    kNERtcAudioProfileHighQualityStereo = 6
}
export declare enum NERtcAudioScenarioType {
    kNERtcAudioScenarioDefault = 0,
    kNERtcAudioScenarioSpeech = 1,
    kNERtcAudioScenarioMusic = 2
}
/** @enum NERtcVideoCropMode 视频画面裁剪模式。*/
export declare enum NERtcVideoCropMode {
    kNERtcVideoCropModeDefault = 0,
    kNERtcVideoCropMode16x9 = 1,
    kNERtcVideoCropMode4x3 = 2,
    kNERtcVideoCropMode1x1 = 3
}
/** @enum NERtcVideoFramerateType 视频帧率。*/
export declare enum NERtcVideoFramerateType {
    kNERtcVideoFramerateFpsDefault = 0,
    kNERtcVideoFramerateFps_7 = 7,
    kNERtcVideoFramerateFps_10 = 10,
    kNERtcVideoFramerateFps_15 = 15,
    kNERtcVideoFramerateFps_24 = 24,
    kNERtcVideoFramerateFps_30 = 30,
    kNERtcVideoFramerateFps_60 = 60
}
/** @enum NERtcDegradationPreference 视频编码策略。*/
export declare enum NERtcDegradationPreference {
    kNERtcDegradationDefault = 0,
    kNERtcDegradationMaintainFramerate = 1,
    kNERtcDegradationMaintainQuality = 2,
    kNERtcDegradationBalanced = 3
}
/** @enum NERtcAudioStreamType 伴音跟随音频主流还是辅流，默认跟随主流。*/
export declare enum NERtcAudioStreamType {
    kNERtcAudioStreamTypeMain = 0,
    kNERtcAudioStreamTypeSub = 1
}
/** @enum NERtcDistanceRolloffModel 空间音效衰减模式 */
export declare enum NERtcDistanceRolloffModel {
    kNERtcDistanceRolloffLogarithmic = 0,
    kNERtcDistanceRolloffLinear = 1,
    kNERtcDistanceRolloffNone = 2
}
/** 视频配置的属性。*/
export interface NERtcVideoConfig {
    max_profile: NERtcVideoProfileType; /**< 视频编码的分辨率，用于衡量编码质量。*/
    width: number; /**< 视频编码自定义分辨率之宽度。width为0表示使用max_profile*/
    height: number; /**< 视频编码自定义分辨率之高度。height为0表示使用max_profile*/
    crop_mode: NERtcVideoCropMode; /**< 视频画面裁剪模式，默认kNERtcVideoCropModeDefault。*/
    framerate: NERtcVideoFramerateType; /**< 视频帧率 */
    min_framerate: NERtcVideoFramerateType; /**< 视频最小帧率 */
    bitrate: number; /**< 视频编码码率kbps，取0时使用默认值 */
    min_bitrate: number; /**< 视频编码码率下限kbps，取0时使用默认值 */
    degradation_preference: NERtcDegradationPreference; /**< 编码策略 */
    mirror_mode: NERtcVideoMirrorMode; /**< 设置本地视频编码的镜像模式，即本地发送视频的镜像模式，只影响远端用户看到的视频画面。 */
    orientation_mode: NERtcVideoOutputOrientationMode; /**< 设置本地视频编码的方向模式，即本地发送视频的方向模式，同时影响本端用户的预览画面和远端用户看到的视频画面。*/
}
/** 创建混音的配置项 */
export interface NERtcCreateAudioMixingOption {
    path: String; /**< 本地文件全路径或URL < 256 chars */
    loop_count: number; /**< 循环次数， <= 0, 表示无限循环，默认 1 */
    send_enabled: boolean; /**< 是否可发送，默认为 true */
    send_volume: number; /**< 发送音量。最大为 100（默认）含义（0%-100%）*/
    playback_enabled: boolean; /**< 是否可回放，默认为 true */
    playback_volume: number; /**< 回放音量。最大为 100（默认）*/
    start_timestamp: number; /**< 音乐文件开始播放的时间，UTC 时间戳，即从1970 年 1 月 1 日 0 点 0 分 0 秒开始到事件发生时的毫秒数。默认值为 0，表示立即播放。*/
    send_with_audio_type: NERtcAudioStreamType; /**< 伴音跟随音频主流还是辅流，默认跟随主流。*/
    progress_interval: number; /**< 伴音播放进度回调间隔，单位ms，取值范围为 100~10000, 默认1000ms*/
}
/** 创建音效的配置项 */
export interface NERtcCreateAudioEffectOption {
    path: String; /**< 本地文件全路径或URL < 256 chars */
    loop_count: number; /**< 循环次数， <= 0, 表示无限循环，默认 1 */
    send_enabled: boolean; /**< 是否可发送，默认为 true */
    send_volume: number; /**< 发送音量。最大为 100（默认）含义（0%-100%）*/
    playback_enabled: boolean; /**< 是否可回放，默认为 true */
    playback_volume: number; /**< 回放音量。最大为 100（默认）*/
    start_timestamp: number; /**< 音乐文件开始播放的时间，UTC 时间戳，即从1970 年 1 月 1 日 0 点 0 分 0 秒开始到事件发生时的毫秒数。默认值为 0，表示立即播放。*/
    send_with_audio_type: NERtcAudioStreamType; /**< 伴音跟随音频主流还是辅流，默认跟随主流。*/
    progress_interval: number; /**< 伴音播放进度回调间隔，单位ms，取值范围为 100~10000, 默认1000ms*/
}
/** 待共享区域相对于整个屏幕或窗口的位置，如不填，则表示共享整个屏幕或窗口。*/
export interface NERtcRectangle {
    x: number; /**< 左上角的横向偏移。*/
    y: number; /**< 左上角的纵向偏移。*/
    width: number; /**< 待共享区域的宽。*/
    height: number; /**< 待共享区域的高。*/
}
/** 屏幕共享编码参数配置。*/
export declare enum NERtcScreenProfileType {
    kNERtcScreenProfile480P = 0,
    kNERtcScreenProfileHD720P = 1,
    kNERtcScreenProfileHD1080P = 2,
    kNERtcScreenProfileCustom = 3,
    kNERtcScreenProfileNone = 4,
    kNERtcScreenProfileMAX = 2
}
/** 视频尺寸。*/
export interface NERtcVideoDimensions {
    width: number; /**< 宽度 */
    height: number; /**< 高度 */
}
/** 屏幕共享功能的编码策略倾向
- kNERtcSubStreamContentPreferMotion: 内容类型为动画;当共享的内容是视频、电影或游戏时，推荐选择该内容类型
当用户设置内容类型为动画时，按用户设置的帧率处理
- kNERtcSubStreamContentPreferDetails: 内容类型为细节;当共享的内容是图片或文字时，推荐选择该内容类型
当用户设置内容类型为细节时，最高允许用户设置到 10 帧，设置超过 10 帧时，不生效，按 10 帧处理
 */
export declare enum NERtcSubStreamContentPrefer {
    kNERtcSubStreamContentPreferMotion = 0,
    kNERtcSubStreamContentPreferDetails = 1
}
/** 屏幕共享编码参数配置。用于衡量编码质量。一期只支持profile设置。*/
export interface NERtcScreenCaptureParameters {
    profile: NERtcScreenProfileType; /**< 屏幕共享编码参数配置。*/
    dimensions: NERtcVideoDimensions; /**< 屏幕共享视频发送的最大像素值，kNERtcScreenProfileCustom下生效。*/
    frame_rate: number; /**< 共享视频的帧率，kNERtcScreenProfileCustom下生效，单位为 fps；默认值为 5，建议不要超过 15。*/
    bitrate: number; /**< 共享视频的码率，单位为 bps；默认值为 0，表示 SDK 根据当前共享屏幕的分辨率计算出一个合理的值。*/
    capture_mouse_cursor: boolean; /**< 是否采集鼠标用于屏幕共享。*/
    window_focus: boolean; /**< 调用 startScreenCaptureByWindowId 方法共享窗口时，是否将该窗口前置。*/
    excluded_window_list: Array<Number>; /**< 待屏蔽窗口的 ID 列表。 */
    excluded_window_count: number; /**< 待屏蔽窗口的数量。*/
    prefer: NERtcSubStreamContentPrefer; /**< 编码策略倾向。*/
}
/** 媒体优先级类型。*/
export declare enum NERtcMediaPriorityType {
    kNERtcMediaPriorityHigh = 50,
    kNERtcMediaPriorityNormal = 100
}
export interface NERtcScreenCaptureWindowParam {
    window_list: Array<Number>; /**< 待屏蔽窗口的 ID 列表。 */
}
/** 录音音质 */
export declare enum NERtcAudioRecordingQuality {
    kNERtcAudioRecordingQualityLow = 0,
    kNERtcAudioRecordingQualityMedium = 1,
    kNERtcAudioRecordingQualityHigh = 2
}
/** Data structure related to media stream relay.*/
export interface NERtcChannelMediaRelayInfo {
    channel_name: String; /**< The name of the destination room to which the media stream is relayed. */
    channel_token: String; /**< The token used to connect to the destination room. */
    uid: number; /**< The user ID used in the destination room. This ID can be different from the ID used in the current room. */
}
/** Configurations for media stream relay.*/
export interface NERtcChannelMediaRelayConfiguration {
    src_infos: NERtcChannelMediaRelayInfo; /**<The information about the current room. */
    dest_infos: NERtcChannelMediaRelayInfo; /**< The configuration of the destination room. */
    dest_count: number; /**< The number of destination rooms. The default value is 0. */
}
/** Media stream encryption mode. */
export declare enum NERtcEncryptionMode {
    kNERtcGMCryptoSM4ECB = 0,
    kNERtcEncryptionModeCustom = 1
}
/** Media stream encryption scheme. */
export interface NERtcEncryptionConfig {
    mode: NERtcEncryptionMode; /**< Media stream encryption mode. For more information, see NERtcEncryptionMode. */
    key: String; /**< Media stream encryption key. The key is of string type. We recommend that you set the key to a string that contains only letters. */
}
/** 直播推流模式 */
export declare enum NERtcLiveStreamMode {
    kNERtcLsModeVideo = 0,
    kNERtcLsModeAudio = 1
}
/** 直播推流视频裁剪模式 */
export declare enum NERtcLiveStreamVideoScaleMode {
    kNERtcLsModeVideoScaleFit = 0,
    kNERtcLsModeVideoScaleCropFill = 1
}
/** 直播推流音频采样率 */
export declare enum NERtcLiveStreamAudioSampleRate {
    kNERtcLiveStreamAudioSampleRate32000 = 32000,
    kNERtcLiveStreamAudioSampleRate44100 = 44100,
    kNERtcLiveStreamAudioSampleRate48000 = 48000 /**< （默认）采样率为 48 kHz。*/
}
/** 直播推流音频编码规格 */
export declare enum NERtcLiveStreamAudioCodecProfile {
    kNERtcLiveStreamAudioCodecProfileLCAAC = 0,
    kNERtcLiveStreamAudioCodecProfileHEAAC = 1 /**< HE-AAC 规格，表示高效音频编码规格。*/
}
/** 直播成员布局 */
export interface NERtcLiveStreamUserTranscoding {
    uid: number; /**< 用户id */
    video_push: boolean; /**< 是否推送该用户视频流，kNERtcLsModeAudio时无效 */
    adaption: NERtcLiveStreamVideoScaleMode; /**< 视频流裁剪模式 */
    x: number; /**< 画面离主画面左边距 */
    y: number; /**< 画面离主画面上边距 */
    width: number; /**< 画面在主画面的显示宽度，画面右边超出主画面会失败 */
    height: number; /**< 画面在主画面的显示高度，画面底边超出主画面会失败 */
    audio_push: boolean; /**< 是否推送该用户音频流 */
}
/** 图片布局 */
export interface NERtcLiveStreamImageInfo {
    url: String; /**< 图片地址 */
    x: number; /**< 画面离主画面左边距 */
    y: number; /**< 画面离主画面上边距 */
    width: number; /**< 画面在主画面的显示宽度，画面右边超出主画面会失败 */
    height: number; /**< 画面在主画面的显示高度，画面底边超出主画面会失败 */
}
/** 直播布局 */
export interface NERtcLiveStreamLayout {
    width: number; /**< 视频推流宽度 */
    height: number; /**< 视频推流高度 */
    background_color: number; /**< 视频推流背景色，(R & 0xff) << 16 | (G & 0xff) << 8 | (B & 0xff) */
    user_count: number; /**< 成员布局个数 */
    users: Array<NERtcLiveStreamUserTranscoding>; /**< 成员布局数组 */
    bg_image: NERtcLiveStreamImageInfo; /**< 背景图信息 */
}
export interface NERtcLiveConfig {
    single_video_passthrough: boolean; /**< 单路视频透传开关，默认为关闭状态，开启后，如果房间中只有一路视频流输入， 则不对输入视频流进行转码，不遵循转码布局，直接推流 CDN，如果有多个房间成员视频流混合为一路流，则该设置失效，并在恢复为一个成员画面（单路流）时也不会恢复。*/
    audio_bitrate: number; /**< 音频推流码率，单位为 kbps，取值范围为 10~192，语音场景建议设置为 64 及以上码率，音乐场景建议设置为 128 及以上码率。 */
    sample_rate: NERtcLiveStreamAudioSampleRate; /**< 音频推流采样率。单位为Hz。默认为 kNERtcLiveStreamAudioSampleRate48000，即采样率为 48 kHz。 */
    channels: number; /**< 音频推流声道数，默认值为 2 双声道。 */
    audio_codec_profile: NERtcLiveStreamAudioCodecProfile; /**< 音频编码规格。默认值 NERtcLiveStreamAudioCodecProfileLCAAC，普通编码规格，0: LC-AAC 规格，表示基本音频编码规格，1: HE-AAC 规格，表示高效音频编码规格 */
}
/** 直播推流任务的配置项。*/
export interface NERtcLiveStreamTaskInfo {
    task_id: String; /**< 推流任务ID，为推流任务的唯一标识，用于过程中增删任务操作 < 64 chars*/
    stream_url: String; /**< 直播推流地址 <256 chars */
    server_record_enabled: Boolean; /**< 服务器录制功能是否开启 */
    ls_mode: NERtcLiveStreamMode; /**< 直播推流模式，NERtcLiveStreamMode */
    layout: NERtcLiveStreamLayout; /**< 视频布局 */
    config: NERtcLiveConfig; /**< 音视频流编码参数等设置。详细信息请参考 NERtcLiveConfig */
}
/** 音频设备链接类型。*/
export declare enum NERtcAudioDeviceTransportType {
    kNERtcAudioDeviceTransportTypeUnknown = 0,
    kNERtcAudioDeviceTransportTypeBluetooth = 1,
    kNERtcAudioDeviceTransportTypeBluetoothA2DP = 2,
    kNERtcAudioDeviceTransportTypeBluetoothLE = 3,
    kNERtcAudioDeviceTransportTypeUSB = 4,
    kNERtcAudioDeviceTransportTypeHDMI = 5,
    kNERtcAudioDeviceTransportTypeBuiltIn = 6,
    kNERtcAudioDeviceTransportTypeThunderbolt = 7,
    kNERtcAudioDeviceTransportTypeAirPlay = 8,
    kNERtcAudioDeviceTransportTypeVirtual = 9,
    kNERtcAudioDeviceTransportTypeOther = 10
}
/** 摄像头设备链接类型。*/
export declare enum NERtcVideoDeviceTransportType {
    kNERtcVideoDeviceTransportTypeUnknown = 0,
    kNERtcVideoDeviceTransportTypeUSB = 1,
    kNERtcVideoDeviceTransportTypeVirtual = 2,
    kNERtcVideoDeviceTransportTypeOther = 3
}
export interface NERtcDevice {
    device_id: String;
    device_name: String;
    transport_type: number;
    suspected_unavailable: boolean;
    system_default_device: boolean;
}
/** 参会者角色类型 */
export declare enum NERtcClientRole {
    kNERtcClientRoleBroadcaster = 0,
    kNERtcClientRoleAudience = 1
}
/** SEI 发送的流通道类型 */
export declare enum NERtcStreamChannelType {
    kNERtcStreamChannelTypeMainStream = 0,
    kNERtcStreamChannelTypeSubStream = 1
}
/** 摄像头采集配置 */
export interface NERtcCameraCaptureConfig {
    captureWidth: number; /**< 本地采集的视频宽度，单位为 px。*/
    captureHeight: number; /**< 本地采集的视频高度，单位为 px）。*/
}
export interface NERtcPullExternalAudioFrameCb {
    (data: ArrayBuffer): void;
}
export declare enum NERtcVideoStreamType {
    kNERtcVideoStreamMain = 0,
    kNERtcVideoStreamSub = 1 /** 视频流副流 */
}
/** 通话相关的统计信息。*/
export interface NERtcStats {
    cpu_app_usage: number; /**< 当前 App 的 CPU 使用率 (%)。*/
    cpu_idle_usage: number; /**< 当前系统的 CPU 空闲率 (%)。*/
    cpu_total_usage: number; /**< 当前系统的 CPU 使用率 (%)。*/
    memory_app_usage: number; /**< 当前App的内存使用率 (%)。*/
    memory_total_usage: number; /**< 当前系统的内存使用率 (%)。*/
    memory_app_kbytes: number; /**< 当前App的内存使用量 (KB)。*/
    total_duration: number; /**< 通话时长（秒）。*/
    tx_bytes: number; /**< 发送字节数，累计值。(bytes)*/
    rx_bytes: number; /**< 接收字节数，累计值。(bytes)*/
    tx_audio_bytes: number; /**< 音频发送字节数，累计值。(bytes)*/
    tx_video_bytes: number; /**< 视频发送字节数，累计值。(bytes)*/
    rx_audio_bytes: number; /**< 音频接收字节数，累计值。(bytes)*/
    rx_video_bytes: number; /**< 视频接收字节数，累计值。(bytes)*/
    tx_audio_kbitrate: number; /**< 音频发送码率。(kbps)*/
    rx_audio_kbitrate: number; /**< 音频接收码率。(kbps)*/
    tx_video_kbitrate: number; /**< 视频发送码率。(kbps)*/
    rx_video_kbitrate: number; /**< 视频接收码率。(kbps)*/
    up_rtt: number; /**< 上行平均往返时延rtt(ms) */
    tx_audio_packet_loss_rate: number; /**< 本地上行音频实际丢包率。(%) */
    tx_video_packet_loss_rate: number; /**< 本地上行视频实际丢包率。(%) */
    tx_audio_packet_loss_sum: number; /**< 本地上行音频实际丢包数。 */
    tx_video_packet_loss_sum: number; /**< 本地上行视频实际丢包数。 */
    tx_audio_jitter: number; /**< 本地上行音频抖动计算。(ms) */
    tx_video_jitter: number; /**< 本地上行视频抖动计算。(ms) */
    rx_audio_packet_loss_rate: number; /**< 本地下行音频实际丢包率。(%) */
    rx_video_packet_loss_rate: number; /**< 本地下行视频实际丢包率。(%) */
    rx_audio_packet_loss_sum: number; /**< 本地下行音频实际丢包数。 */
    rx_video_packet_loss_sum: number; /**< 本地下行视频实际丢包数。 */
    rx_audio_jitter: number; /**< 本地下行音频抖动计算。(ms) */
    rx_video_jitter: number; /**< 本地下行视频抖动计算。(ms) */
}
/** 本地视频流上传统计信息。*/
export interface NERtcVideoSendStats {
    width: number; /**< 视频流宽（像素）。*/
    height: number; /**< 视频流高（像素）。*/
    capture_frame_rate: number; /**< 视频采集帧率。*/
    encoder_frame_rate: number; /**< （上次统计后）编码帧率 (fps)。*/
    sent_bitrate: number; /**< （上次统计后）发送码率(Kbps)。*/
    sent_frame_rate: number; /**< （上次统计后）发送帧率 (fps)。*/
    target_bitrate: number; /**< （上次统计后）编码器目标码率(Kbps)。*/
}
/** 远端视频流的统计信息。*/
export interface NERtcVideoRecvStats {
    uid: number; /**< 用户 ID，指定是哪个用户的视频流。*/
    width: number; /**< 视频流宽（像素）。*/
    height: number; /**< 视频流高（像素）。*/
    received_bitrate: number; /**< （上次统计后）接收到的码率(Kbps)。*/
    packet_loss_rate: number; /**< 下行丢包率(%)。*/
    decoder_frame_rate: number; /**< （上次统计后）解码帧率 (fps)。*/
    render_frame_rate: number; /**< （上次统计后）渲染帧率 (fps)。*/
    received_frame_rate: number; /**< （上次统计后）接收到的帧率 (fps)。*/
    total_frozen_time: number; /**< 用户的下行视频卡顿累计时长(ms)。*/
    frozen_rate: number; /**< 用户的下行视频平均卡顿率(%)。*/
}
/** 本地音频流上传统计信息。*/
export interface NERtcAudioSendStats {
    num_channels: number; /**< 当前采集声道数。*/
    sent_sample_rate: number; /**< 本地上行音频采样率。*/
    sent_bitrate: number; /**< （上次统计后）发送码率(Kbps)。*/
    audio_loss_rate: number; /**< 特定时间内的音频丢包率 (%)。*/
    rtt: number; /**< RTT。*/
    volume: number; /**< 音量，范围为 0（最低）- 100（最高）。*/
}
/** 远端用户的音频统计。*/
export interface NERtcAudioRecvStats {
    uid: number; /**< 用户 ID，指定是哪个用户的音频流。*/
    received_bitrate: number; /**< （上次统计后）接收到的码率(Kbps)。*/
    total_frozen_time: number; /**< 用户的下行音频卡顿累计时长(ms)。*/
    frozen_rate: number; /**< 用户的下行音频平均卡顿率(%)。*/
    audio_loss_rate: number; /**< 特定时间内的音频丢包率 (%)。*/
    volume: number; /**< 音量，范围为 0（最低）- 100（最高）。*/
}
/** @enum NERtcNetworkQualityType 网络质量类型。*/
export declare enum NERtcNetworkQualityType {
    kNERtcNetworkQualityUnknown = 0,
    kNERtcNetworkQualityExcellent = 1,
    kNERtcNetworkQualityGood = 2,
    kNERtcNetworkQualityPoor = 3,
    kNERtcNetworkQualityBad = 4,
    kNERtcNetworkQualityVeryBad = 5,
    kNERtcNetworkQualityDown = 6
}
/** 网络质量统计信息。*/
export interface NERtcNetworkQualityInfo {
    uid: number; /**< 用户 ID，指定是哪个用户的网络质量统计。*/
    tx_quality: NERtcNetworkQualityType; /**< 该用户的上行网络质量，详见 #NERtcNetworkQualityType.*/
    rx_quality: NERtcNetworkQualityType; /**< 该用户的下行网络质量，详见 #NERtcNetworkQualityType.*/
}
/** 连接状态 */
export declare enum NERtcConnectionStateType {
    kNERtcConnectionStateDisconnected = 1,
    kNERtcConnectionStateConnecting = 2,
    kNERtcConnectionStateConnected = 3,
    kNERtcConnectionStateReconnecting = 4,
    kNERtcConnectionStateFailed = 5
}
/** 连接状态变更原因 */
export declare enum NERtcReasonConnectionChangedType {
    kNERtcReasonConnectionChangedLeaveChannel = 1,
    kNERtcReasonConnectionChangedChannelClosed = 2,
    kNERtcReasonConnectionChangedBeKicked = 3,
    kNERtcReasonConnectionChangedTimeOut = 4,
    kNERtcReasonConnectionChangedJoinChannel = 5,
    kNERtcReasonConnectionChangedJoinSucceed = 6,
    kNERtcReasonConnectionChangedReJoinSucceed = 7,
    kNERtcReasonConnectionChangedMediaConnectionDisconnected = 8,
    kNERtcReasonConnectionChangedSignalDisconnected = 9,
    kNERtcReasonConnectionChangedRequestChannelFailed = 10,
    kNERtcReasonConnectionChangedJoinChannelFailed = 11
}
/** 音频设备类型。*/
export declare enum NERtcAudioDeviceType {
    kNERtcAudioDeviceUnknown = 0,
    kNERtcAudioDeviceRecord = /**< 音频采集设备 */ 1,
    kNERtcAudioDevicePlayout = /**< 音频播放设备 */ 2
}
/** 音频设备类型状态。*/
export declare enum NERtcAudioDeviceState {
    kNERtcAudioDeviceActive = 0,
    kNERtcAudioDeviceUnactive = /**< 音频设备未激活 */ 1
}
/** 音乐文件播放状态。
*/
export declare enum NERtcAudioMixingState {
    kNERtcAudioMixingStateFinished = 0,
    kNERtcAudioMixingStateFailed = 1
}
/** @enum NERtcAudioMixingErrorCode 混音音乐文件错误码。
*/
export declare enum NERtcAudioMixingErrorCode {
    kNERtcAudioMixingErrorOK = 0,
    kNERtcAudioMixingErrorFatal = 1,
    kNERtcAudioMixingErrorCanNotOpen = /**< 伴音不能正常打开*/ 2,
    kNERtcAudioMixingErrorDecode = /**<音频解码错误*/ 3,
    kNERtcAudioMixingErrorInterrupt = /**<操作中断码*/ 4,
    kNERtcAudioMixingErrorHttpNotFound = /**<404 file not found，only for http / https*/ 5,
    kNERtcAudioMixingErrorOpen = /**<打开流 / 文件失败*/ 6,
    kNERtcAudioMixingErrorNInfo = /**<获取解码信息失败 / 超时*/ 7,
    kNERtcAudioMixingErrorNStream = /**<无音频流*/ 8,
    kNERtcAudioMixingErrorNCodec = /**<无解码器*/ 9,
    kNERtcAudioMixingErrorNMem = /**<无内存*/ 10,
    kNERtcAudioMixingErrorCodecOpen = /**<解码器打开失败 / 超时*/ 11,
    kNERtcAudioMixingErrorInvalidInfo = /**<无效音频参数（声道、采样率）*/ 12,
    kNERtcAudioMixingErrorOpenTimeout = /**<打开流 / 文件超时*/ 13,
    kNERtcAudioMixingErrorIoTimeout = /**<网络io超时*/ 14,
    kNERtcAudioMixingErrorIo = /**<网络io错误*/ 15
}
/** 声音音量信息。一个数组，包含每个说话者的用户 ID 和音量信息。*/
export interface NERtcAudioVolumeInfo {
    uid: number; /**< 说话者的用户 ID。如果返回的 uid 为 0，则默认为本地用户。*/
    volume: number; /**< 说话者的音量，范围为 0（最低）- 100（最高）。*/
}
/** 直播推流状态。*/
export declare enum NERtcLiveStreamStateCode {
    kNERtcLsStatePushing = 505,
    kNERtcLsStatePushFail = 506,
    kNERtcLsStatePushStopped = 511,
    kNERtcLsStateImageError = 512
}
/** @enum NERtcMediaStatsEventName  SDK 向 App 上报统计信息 */
export declare enum NERtcMediaStatsEventName {
    RtcStats = "onRtcStats",
    LocalAudioStats = "onLocalAudioStats",
    RemoteAudioStats = "onRemoteAudioStats",
    LocalVideoStats = "onLocalVideoStats",
    RemoteVideoStats = "onRemoteVideoStats",
    NetworkQuality = "onNetworkQuality"
}
/** 4.1.1 */
/** 变声 预设值 */
export declare enum NERtcVoiceChangerType {
    kNERtcVoiceChangerOff = 0,
    kNERtcVoiceChangerRobot = 1,
    kNERtcVoiceChangerGaint = 2,
    kNERtcVoiceChangerHorror = 3,
    kNERtcVoiceChangerMature = 4,
    kNERtcVoiceChangerManToWoman = 5,
    kNERtcVoiceChangerWomanToMan = 6,
    kNERtcVoiceChangerManToLoli = 7,
    kNERtcVoiceChangerWomanToLoli = 8 /**< 女变萝莉 */
}
/** 预设的美声效果 */
export declare enum NERtcVoiceBeautifierType {
    kNERtcVoiceBeautifierOff = 0,
    kNERtcVoiceBeautifierMuffled = 1,
    kNERtcVoiceBeautifierMellow = 2,
    kNERtcVoiceBeautifierClear = 3,
    kNERtcVoiceBeautifierMagnetic = 4,
    kNERtcVoiceBeautifierRecordingstudio = 5,
    kNERtcVoiceBeautifierNature = 6,
    kNERtcVoiceBeautifierKTV = 7,
    kNERtcVoiceBeautifierRemote = 8,
    kNERtcVoiceBeautifierChurch = 9,
    kNERtcVoiceBeautifierBedroom = 10,
    kNERtcVoiceBeautifierLive = 11
}
/** 音效均衡波段的中心频率 */
export declare enum NERtcVoiceEqualizationBand {
    kNERtcVoiceEqualizationBand_31 = 0,
    kNERtcVoiceEqualizationBand_62 = 1,
    kNERtcVoiceEqualizationBand_125 = 2,
    kNERtcVoiceEqualizationBand_250 = 3,
    kNERtcVoiceEqualizationBand_500 = 4,
    kNERtcVoiceEqualizationBand_1K = 5,
    kNERtcVoiceEqualizationBand_2K = 6,
    kNERtcVoiceEqualizationBand_4K = 7,
    kNERtcVoiceEqualizationBand_8K = 8,
    kNERtcVoiceEqualizationBand_16K = 9
}
/** 3D音效算法中坐标信息 */
export interface NERtcSpatializerPositionInfo {
    speaker_position: Array<Number>; /**< 发声坐标 */
    speaker_quaternion: Array<Number>; /**< 发声旋转角度四元数 */
    head_position: Array<Number>; /**< 头部听觉坐标 */
    head_quaternion: Array<Number>; /**< 头部听觉旋转角度四元数 */
}
/** 空间音效房间大小 */
export declare enum NERtcSpatializerRoomCapacity {
    kNERtcSpatializerRoomCapacitySmall = 0,
    kNERtcSpatializerRoomCapacityMedium = 1,
    kNERtcSpatializerRoomCapacityLarge = 2,
    kNERtcSpatializerRoomCapacityHuge = 3,
    kNERtcSpatializerRoomCapacityNone = 4
}
/** 空间音效中房间材质名称 */
export declare enum NERtcSpatializerMaterialName {
    kNERtcSpatializerMaterialTransparent = 0,
    kNERtcSpatializerMaterialAcousticCeilingTiles = 1,
    kNERtcSpatializerMaterialBrickBare = 2,
    kNERtcSpatializerMaterialBrickPainted = 3,
    kNERtcSpatializerMaterialConcreteBlockCoarse = 4,
    kNERtcSpatializerMaterialConcreteBlockPainted = 5,
    kNERtcSpatializerMaterialCurtainHeavy = 6,
    kNERtcSpatializerMaterialFiberGlassInsulation = 7,
    kNERtcSpatializerMaterialGlassThin = 8,
    kNERtcSpatializerMaterialGlassThick = 9,
    kNERtcSpatializerMaterialGrass = 10,
    kNERtcSpatializerMaterialLinoleumOnConcrete = 11,
    kNERtcSpatializerMaterialMarble = 12,
    kNERtcSpatializerMaterialMetal = 13,
    kNERtcSpatializerMaterialParquetOnConcrete = 14,
    kNERtcSpatializerMaterialPlasterRough = 15,
    kNERtcSpatializerMaterialPlasterSmooth = 16,
    kNERtcSpatializerMaterialPlywoodPanel = 17,
    kNERtcSpatializerMaterialPolishedConcreteOrTile = 18,
    kNERtcSpatializerMaterialSheetrock = 19,
    kNERtcSpatializerMaterialWaterOrIceSurface = 20,
    kNERtcSpatializerMaterialWoodCeiling = 21,
    kNERtcSpatializerMaterialWoodPanel = 22,
    kNERtcSpatializerMaterialUniform = 23
}
/** 3D音效房间属性设置 */
export interface NERtcSpatializerRoomProperty {
    room_capacity: NERtcSpatializerRoomCapacity; /**< 房间大小 #NERtcSpatializerRoomCapacity ，默认值 #kNERtcSpatializerRoomCapacitySmall */
    material: NERtcSpatializerMaterialName; /**< 房间材质 #NERtcSpatializerMaterialName ，默认值 #kNERtcSpatializerMaterialTransparent */
    reflection_scalar: Number; /**< 反射比例，默认值1.0 */
    reverb_gain: Number; /**< 混响增益比例因子，默认值1.0 */
    reverb_time: Number; /**< 混响时间比例因子，默认值1.0 */
    reverb_brightness: Number; /**< 混响亮度，默认值1.0 */
}
/** 空间音效渲染模式 */
export declare enum NERtcSpatializerRenderMode {
    kNERtcSpatializerRenderStereoPanning = 0,
    kNERtcSpatializerRenderBinauralLowQuality = 1,
    kNERtcSpatializerRenderBinauralMediumQuality = 2,
    kNERtcSpatializerRenderBinauralHighQuality = 3,
    kNERtcSpatializerRenderRoomEffectsOnly = 4
}
export declare enum NERtcAudioRecordingPosition {
    kNERtcAudioRecordingPositionMixedRecordingAndPlayback = 0,
    kNERtcAudioRecordingPositionRecording = 1,
    kNERtcAudioRecordingPositionMixedPlayback = 2
}
export declare enum NERtcAudioRecordingCycleTime {
    kNERtcAudioRecordingCycleTime0 = 0,
    kNERtcAudioRecordingCycleTime10 = 10,
    kNERtcAudioRecordingCycleTime60 = 60,
    kNERtcAudioRecordingCycleTime360 = 360,
    kNERtcAudioRecordingCycleTime900 = 900
}
/**  */
export interface NERtcAudioRecordingConfiguration {
    filePath: string; /**< 录音文件在本地保存的绝对路径，需要精确到文件名及格式。例如：sdcard/xxx/audio.aac。*/
    sampleRate: number; /**< 录音采样率（Hz），可以设为 16000、32000（默认）、44100 或 48000。 */
    quality: NERtcAudioRecordingQuality; /**< 录音音质，只在 AAC 格式下有效 */
    position: NERtcAudioRecordingPosition; /**< 录音文件所包含的内容 */
    cycleTime: NERtcAudioRecordingCycleTime; /**< 录制过程中，循环缓存的最大时间长度，单位(s) */
}
export declare enum NERtcBackgroundSourceType {
    kNERtcBackgroundColor = 1,
    kNERtcBackgroundImage = 2
}
/**  自定义背景图像*/
export interface VirtualBackgroundSource {
    background_source_type: NERtcBackgroundSourceType; /**< 自定义背景图片的类型*/
    color: number; /**< 自定义背景图像的颜色。格式为RGB定义的十六进制整数，不带#号 */
    source: string; /**< 自定义背景图片的本地绝对路径。支持 PNG 和 JPG 格式。 */
}
/**  混响参数*/
export interface NERtcReverbParam {
    wetGain: number; /**< 湿信号，取值范围为 0 ~ 1，默认值为 0.0f。*/
    dryGain: number; /**< 干信号，取值范围为 0 ~ 1，默认值为 1.0f。 */
    damping: number; /**< 混响阻尼，取值范围为 0 ~ 1，默认值为 1.0f。 */
    roomSize: number; /**< 房间大小，取值范围为 0.1 ~ 2，默认值为 0.1f。 */
    decayTime: number; /**< 持续强度（余响），取值范围为 0.1 ~ 20，默认值为 0.1f。 */
    preDelay: number; /**< 延迟长度，取值范围为 0 ~ 1，默认值为 0.0f。 */
}
/**  */
export interface NERtcSize {
    width: number; /**< The target width (px) of the thumbnail or icon. The default value is 0.*/
    height: number; /**< The target height (px) of the thumbnail or icon. The default value is 0. */
}
export interface NERtcSize {
    width: number; /**< The target width (px) of the thumbnail or icon. The default value is 0.*/
    height: number; /**< The target height (px) of the thumbnail or icon. The default value is 0. */
}
export interface CaptureSoureInfo {
    type: number; /**< 信息源类型:-1-未知 0-窗口 1-屏幕 2-自定义*/
    source_id: number; /**< 信息源ID. */
}
/** 功能类型 */
export declare enum NERtcFeatureType {
    kNERTCVirtualBackground = 0 /**< 虚拟背景*/
}
/** 屏幕分享状态 */
export declare enum NERtcScreenCaptureStatus {
    kScreenCaptureStatusStart = 1,
    kScreenCaptureStatusPause = 2,
    kScreenCaptureStatusResume = 3,
    kScreenCaptureStatusStop = 4,
    kScreenCaptureStatusCovered = 5,
    kScreenCaptureStatusAbort = 6
}
/** The type of the shared target. */
export declare enum NERtcScreenCaptureCustomHLBorderAction {
    kSetPos = 0,
    kSetAbove = 1,
    kSetBelow = 2,
    kHide = 3,
    kShow = 4
}
export interface NERtcScreenCaptureSourceData {
    type: CaptureSoureInfo; /**< 信息源类型:-1-未知 0-窗口 1-屏幕 2-自定义*/
    source_id: number; /**< 信息源ID. */
    status: NERtcScreenCaptureStatus; /**< 屏幕分享状态*/
    action: NERtcScreenCaptureCustomHLBorderAction; /**< 屏幕分享自定义高亮框的设置动作，结合capture_rect使用。*/
    level: number; /**< 屏幕分享源的层级，仅用于macOS */
    capture_rect: NERtcRectangle; /**< 屏幕分享源的采集范围，可用于设置用户自定义高亮框的位置。*/
}
export interface NERtcEngineAPI {
    initialize(context: NERtcEngineContext): number;
    release(): void;
    setChannelProfile(profile: NERtcChannelProfileType): number;
    joinChannel(token: String, channelName: String, uid: number): number;
    joinChannelWithOptions(token: string, channelName: string, uid: number, channelOptions: NERtcJoinChannelOptions): number;
    switchChannelWithOptionsEx(token: string, channelName: string, channelOptions: NERtcJoinChannelOptionsEx): number;
    leaveChannel(): number;
    enableLocalAudio(enabled: Boolean): number;
    enableLocalVideo(enabled: Boolean): number;
    enableLocalVideoWithType(streamType: NERtcVideoStreamType, enabled: boolean): number;
    subscribeRemoteVideoStream(uid: number, type: NERtcRemoteVideoStreamType, subscribe: Boolean): number;
    setupVideoCanvas(uid: number, enabled: Boolean): number;
    onVideoFrame(callback: Function): number;
    onEvent(eventName: String, callback: Function): void;
    onAudioFrameEvent(eventName: String, callback: Function, enable: boolean): void;
    getConnectionState(): number;
    muteLocalAudioStream(enabled: Boolean): number;
    setAudioProfile(profile: NERtcAudioProfileType, scenario: NERtcAudioScenarioType): number;
    subscribeRemoteAudioStream(uid: number, enabled: Boolean): number;
    setVideoConfig(config: NERtcVideoConfig): number;
    enableDualStreamMode(enabled: Boolean): number;
    startVideoPreview(): number;
    stopVideoPreview(): number;
    muteLocalVideoStream(enabled: Boolean): number;
    setParameters(parameters: String): number;
    getParameters(parameters: String, extra_info: String): String;
    startAudioDump(): number;
    stopAudioDump(): number;
    startAudioMixing(opt: NERtcCreateAudioMixingOption): number;
    stopAudioMixing(): number;
    pauseAudioMixing(): number;
    resumeAudioMixing(): number;
    setAudioMixingSendVolume(volume: number): number;
    getAudioMixingSendVolume(): number;
    setAudioMixingPlaybackVolume(volume: number): number;
    getAudioMixingPlaybackVolume(): number;
    getAudioMixingDuration(): number;
    getAudioMixingCurrentPosition(): number;
    setAudioMixingPosition(pos: number): number;
    playEffect(effectId: number, opt: Array<NERtcCreateAudioEffectOption>): number;
    stopEffect(effectId: number): number;
    stopAllEffects(): number;
    pauseEffect(effectId: number): number;
    resumeEffect(effectId: number): number;
    pauseAllEffects(): number;
    resumeAllEffects(): number;
    setEffectSendVolume(effectId: number, volume: number): number;
    getEffectSendVolume(effectId: number): number;
    setEffectPlaybackVolume(effectId: number, volume: number): number;
    getEffectPlaybackVolume(effectId: number): number;
    enableEarback(enabled: boolean, volume: number): number;
    setEarbackVolume(volume: number): number;
    onStatsObserver(eventName: String, enabled: boolean, callback: Function): void;
    enableAudioVolumeIndication(enabled: boolean, interval: number): number;
    startScreenCaptureByScreenRect(screenRect: NERtcRectangle, regionRect: NERtcRectangle, param: NERtcScreenCaptureParameters): number;
    startScreenCaptureByDisplayId(displayId: number, regionRect: NERtcRectangle, param: NERtcScreenCaptureParameters): number;
    startScreenCaptureByWindowId(windowid: number, regionRect: NERtcRectangle, param: NERtcScreenCaptureParameters): number;
    updateScreenCaptureRegion(regionRect: NERtcRectangle): number;
    stopScreenCapture(): number;
    pauseScreenCapture(): number;
    resumeScreenCapture(): number;
    getVersion(): String;
    getErrorDescription(errorCode: number): String;
    uploadSdkInfo(): void;
    addLiveStreamTask(info: NERtcLiveStreamTaskInfo): number;
    updateLiveStreamTask(info: NERtcLiveStreamTaskInfo): number;
    removeLiveStreamTask(taskId: String): number;
    enumerateRecordDevices(): Array<NERtcDevice>;
    setRecordDevice(id: String): number;
    getRecordDevice(): String;
    enumeratePlayoutDevices(): Array<NERtcDevice>;
    setPlayoutDevice(id: String): number;
    getPlayoutDevice(): String;
    setRecordDeviceVolume(volume: number): number;
    getRecordDeviceVolume(): number;
    setPlayoutDeviceVolume(volume: number): number;
    getPlayoutDeviceVolume(): number;
    setPlayoutDeviceMute(mute: boolean): number;
    getPlayoutDeviceMute(): boolean;
    setRecordDeviceMute(mute: boolean): number;
    getRecordDeviceMute(): boolean;
    adjustRecordingSignalVolume(volume: number): number;
    adjustPlaybackSignalVolume(volume: number): number;
    startRecordDeviceTest(interval: number): number;
    stopRecordDeviceTest(): number;
    startPlayoutDeviceTest(path: String): number;
    stopPlayoutDeviceTest(): number;
    startAudioDeviceLoopbackTest(interval: number): number;
    stopAudioDeviceLoopbackTest(): number;
    enumerateCaptureDevices(): Array<NERtcDevice>;
    getScreenCaptureSources(thumbSize: NERtcSize, iconSize: NERtcSize, includeScreen: boolean): Array<Object>;
    setDevice(id: String): number;
    getDevice(): String;
    setLocalVideoMirrorMode(mode: NERtcVideoMirrorMode): number;
    setClientRole(role: NERtcClientRole): number;
    setupSubStreamVideoCanvas(uid: number, enabled: Boolean): number;
    subscribeRemoteVideoSubStream(uid: number, sub: boolean): number;
    enumerateScreenCaptureSourceInfo(thumbWidth: number, thumbHeight: number, iconWidth: number, iconHeight: number): Array<Object>;
    startSystemAudioLoopbackCapture(): number;
    stopSystemAudioLoopbackCapture(): number;
    setSystemAudioLoopbackCaptureVolume(volume: number): number;
    sendSEIMsg(data: ArrayBuffer): number;
    sendSEIMsgWithType(data: ArrayBuffer, type: NERtcStreamChannelType): number;
    setExternalAudioRender(enable: boolean, sampleRate: number, channels: number): number;
    pullExternalAudioFrame(pullLength: number, cb: NERtcPullExternalAudioFrameCb): number;
    setAudioEffectPreset(type: NERtcVoiceChangerType): number;
    setVoiceBeautifierPreset(type: NERtcVoiceBeautifierType): number;
    setLocalVoicePitch(pitch: number): number;
    setLocalVoiceEqualization(bandFrequency: NERtcVoiceEqualizationBand, bandGain: number): number;
    switchChannel(token: String, channelName: String): number;
    setLocalMediaPriority(priority: NERtcMediaPriorityType, preemptive: boolean): number;
    setExcludeWindowList(param: NERtcScreenCaptureWindowParam): number;
    enableLoopbackRecording(enable: boolean, deviceName: String): number;
    startAudioRecording(filePath: String, sampleRate: number, quality: NERtcAudioRecordingQuality): number;
    stopAudioRecording(): number;
    adjustUserPlaybackSignalVolume(uid: number, volume: number): number;
    adjustLoopbackRecordingSignalVolume(volume: number): number;
    startChannelMediaRelay(config: NERtcChannelMediaRelayConfiguration): number;
    updateChannelMediaRelay(config: NERtcChannelMediaRelayConfiguration): number;
    stopChannelMediaRelay(): number;
    setLocalPublishFallbackOption(option: number): number;
    setRemoteSubscribeFallbackOption(option: number): number;
    enableSuperResolution(enable: boolean): number;
    enableEncryption(enable: boolean, config: NERtcEncryptionConfig): number;
    createChannel(channelName: string): any;
    joinChannelEx(token: string, channelName: string, uid: number, channelOptions: any): number;
    enableLocalVideoEx(type: number, enabled: boolean): number;
    enableLocalSubStreamAudio(enabled: boolean): number;
    muteLocalSubStreamAudio(enabled: boolean): number;
    subscribeRemoteSubStreamAudio(uid: number, enabled: boolean): number;
    subscribeAllRemoteAudioStream(subscribe: boolean): number;
    setAudioSubscribeOnlyBy(uids: any, size: number): number;
    setStreamAlignmentProperty(enable: boolean): number;
    getNtpTimeOffset(): number;
    setCameraCaptureConfig(config: any): number;
    setCameraCaptureConfigWithType(type: number, config: any): number;
    setVideoConfigWithType(type: number, config: NERtcVideoConfig): number;
    setLocalVideoMirrorModeWithType(type: number, mode: NERtcVideoMirrorMode): number;
    startVideoPreviewWithType(type: number): number;
    stopVideoPreviewWithType(type: number): number;
    muteLocalVideoStreamWithType(type: number, enabled: boolean): number;
    setRecordingAudioFrameParameters(format: NERtcAudioFrameRequestFormat): number;
    setPlaybackAudioFrameParameters(format: NERtcAudioFrameRequestFormat): number;
    setMixedAudioFrameParameters(sample_rate: number): number;
    startAudioDumpWithType(type: number): number;
    setAudioMixingPitch(pitch: number): number;
    getAudioMixingPitch(): number;
    setEffectPitch(effectId: number, pitch: number): number;
    getEffectPitch(effectId: number): number;
    setEffectPosition(effectId: number, pos: number): number;
    getEffectCurrentPosition(effectId: number): number;
    getEffectDuration(effectId: number): number;
    enableSpatializer(enable: boolean): number;
    updateSpatializerAudioRecvRange(audible_distance: number, conversational_distance: number, roll_off: number): number;
    updateSpatializerSelfPosition(info: any): number;
    enableSpatializerRoomEffects(enable: boolean): number;
    setSpatializerRoomProperty(room_property: any): number;
    setSpatializerRenderMode(mode: number): number;
    enableAudioVolumeIndicationEx(enabled: boolean, interval: number, enableVad: boolean): number;
    setScreenCaptureMouseCursor(capture_cursor: boolean): number;
    setDeviceWithType(id: string, streamType: NERtcVideoStreamType): number;
    getDeviceWithType(streamType: NERtcVideoStreamType): string;
    adjustChannelPlaybackSignalVolume(volume: number): number;
    switchChannelEx(token: string, channelName: string, option: any): number;
    startAudioRecordingWithConfig(config: any): number;
    updateScreenCaptureParameters(param: NERtcScreenCaptureWindowParam): number;
    startLastmileProbeTest(config: any): number;
    stopLastmileProbeTest(): number;
    setRemoteHighPriorityAudioStream(enable: boolean, uid: number): number;
    checkNECastAudioDriver(): number;
    enableVirtualBackground(enable: boolean, config: any): number;
    setCloudProxy(type: number): number;
    enableLocalData(enable: boolean): number;
    subscribeRemoteData(uid: number, sub: boolean): number;
    sendData(data: any): number;
    startBeauty(file_path: string): number;
    stopBeauty(): number;
    enableBeauty(enable: boolean): number;
    enableBeautyMirrorMode(enable: boolean): number;
    getBeautyEffect(type: number): number;
    setBeautyEffect(type: number, level: number): number;
    addBeautyFilter(file_path: string): number;
    removeBeautyFilter(): number;
    setBeautyFilterLevel(level: number): number;
    addBeautySticker(file_path: string): number;
    removeBeautySticker(): number;
    addBeautyMakeup(file_path: string): number;
    removeBeautyMakeup(): number;
    setLocalVoiceReverbParam(param: any): number;
    enableMediaPub(enabled: boolean, mediaType: number): number;
    updatePermissionKey(key: string): number;
    setRangeAudioMode(mode: number): number;
    setRangeAudioTeamID(team_id: number): number;
    setAudioRecvRange(audible_distance: number, conversational_distance: number, roll_off: number): number;
    updateSelfPosition(info: any): number;
    initSpatializer(): number;
    enableSpatializer(enable: boolean, apply_to_team: boolean): number;
    onQsObserver(eventName: String, enabled: boolean, callback: Function): void;
    setSubscribeAudioAllowlist(uids: Array<Number>, size: number): number;
    setSubscribeAudioBlocklist(audioStreamType: number, uids: Array<Number>, size: number): number;
    setScreenCaptureSource(source: Object, regionRect: NERtcRectangle, capture_params: NERtcScreenCaptureParameters): number;
    isFeatureSupported(type: NERtcFeatureType): boolean;
    switchChannelWithOptions(token: string, channelName: string, channelOptions: NERtcJoinChannelOptions): number;
    setLocalVideoWatermarkConfigs(enbale: boolean, type: number, config: any): number;
    playEffect(effectId: number, opt: Array<NERtcCreateAudioEffectOption>): number;
}