import { BOOL, NSString, NSArray, id, NSInteger, CGRect, int64_t, CGFloat, NSTimeInterval, dispatch_queue_t, CVPixelBufferRef, UIImage, NSDictionary, NSUInteger, double, NSError, NSNumber } from './types';
import { TTVideoEngineStrategyType, TTVideoEngineStrategyPreloadConfig, TTVideoEngineMediaSource, TTVideoEngineLocalServerConfigure, TTVideoEnginePreloaderURLItem, TTVideoEnginePreloaderVidItem, TTVideoEngineLocalServerCacheInfo, TTVideoEngineState, TTVideoEnginePlaybackState, TTVideoEngineLoadState, TTVideoEngineStallReason, TTVideoEngineResolutionType, TTVideoEngineSubDecInfoProtocol, TTVideoEngineSubModel, TTVideoEngineSubProtocol, TTVideoEngineSubInfo, TTVideoEngineEncodeType, TTVideoEngineDownloadState, TTVideoEngineModel } from './keytype';
import { TTVideoEnginePreRenderDelegate, TTVideoEngineDelegate, TTVideoEngineResolutionDelegate, TTVideoEngineAutoSelectDelegate, TTVideoEngineSubtitleDelegate, TTVideoEngineDownloaderDelegate } from './callback';
import { UIView } from './external';
export declare class TTVideoEngine {
    static setLogFlag(flag: number): void;
    
    static isSupportMetal(): BOOL;
    
    static isSupportH266(): BOOL;
    
    static getEngineUniqueId(): Promise<NSString>;
    
    static enableEngineStrategy(strategyType: TTVideoEngineStrategyType, scene: NSString): BOOL;
    
    static enableEnginePreRenderStrategy(scene: NSString): BOOL;
    
    static enableEnginePreloadStrategy(preloadConfig: TTVideoEngineStrategyPreloadConfig, scene: NSString): BOOL;
    
    static clearAllEngineStrategy(): void;
    
    static setStrategyVideoSources(videoSources: NSArray<id<TTVideoEngineMediaSource>>): void;
    
    static addStrategyVideoSources(videoSources: NSArray<id<TTVideoEngineMediaSource>>): void;
    
    static setPreRenderVideoEngineDelegate(delegate: id<TTVideoEnginePreRenderDelegate>): void;
    
    static getPreRenderVideoEngineWithVideoSource(source: id<TTVideoEngineMediaSource>): TTVideoEngine;
    
    static getPreRenderFinishedPlayerViewWithVideoSource(source: id<TTVideoEngineMediaSource>): UIView;
    
    static getPreRenderFinishedVideoEngineWithVideoSource(source: id<TTVideoEngineMediaSource>): TTVideoEngine;
    
    static startEnginePreloadStrategyWithIndex(startIndex: NSInteger): void;
    
    static debugToolIsShowing(): BOOL;
    
    static showDebugTool(containerView: UIView, rect: CGRect): Promise<void>;
    
    static refreshCurrentVideoEngine(videoEngine: TTVideoEngine): void;
    
    static removeDebugTool(): Promise<void>;
    
    static ls_localServerConfigure(): TTVideoEngineLocalServerConfigure;
    
    static ls_addTaskWithURLItem(urlItem: TTVideoEnginePreloaderURLItem): void;
    
    static ls_addTaskWithVidItem(vidItem: TTVideoEnginePreloaderVidItem): void;
    
    static ls_cancelTaskByKey(key: NSString): void;
    
    static ls_cancelTaskByVideoId(vid: NSString): void;
    
    static ls_cancelAllTasks(): void;
    
    static ls_cancelAllIdlePreloadTasks(): void;
    
    static ls_clearAllCaches(force: BOOL): void;
    
    static ls_removeFileCacheByKey(key: NSString): void;
    
    static ls_getAllCacheSize(): int64_t;
    
    static ls_getAllCacheSizeWithCompletion(block: (cacheSize: int64_t) => void): void;
    
    static ls_getCacheSizeByKey(key: NSString, result: (size: int64_t) => void): void;
    
    static ls_getCacheFileInfoByKey(key: NSString): TTVideoEngineLocalServerCacheInfo;
    
    static getEngineUniqueKek(): NSString;
    delegate: id<TTVideoEngineDelegate>;
    resolutionDelegate: id<TTVideoEngineResolutionDelegate>;
    autoSelectDelegate: id<TTVideoEngineAutoSelectDelegate>;
    
    failPlayOffline: BOOL;
    
    playbackSpeed: CGFloat;
    
    volume: CGFloat;
    
    muted: BOOL;
    
    radioMode: BOOL;
    
    hardwareDecode: BOOL;
    
    looping: BOOL;
    
    playerView: UIView;
    
    
    duration: NSTimeInterval;
    
    playableDuration: NSTimeInterval;
    
    durationWatched: NSTimeInterval;
    
    state: TTVideoEngineState;
    
    playbackState: TTVideoEnginePlaybackState;
    
    loadState: TTVideoEngineLoadState;
    
    stallReason: TTVideoEngineStallReason;
    
    currentResolution: TTVideoEngineResolutionType;
    
    subtitleDelegate: id<TTVideoEngineSubtitleDelegate>;
    
    subDecInfoModel: id<TTVideoEngineSubDecInfoProtocol>;
    initWithOwnPlayer(isOwnPlayer: BOOL): Promise<this>;
    setSubtitleAuthToken(auth: NSString): void;
    setCustomHeaderValue(value: NSString, key: NSString): void;
    
    setLocalURL(url: NSString): void;
    
    setBarrageMaskURL(url: NSString, fileHash: NSString): void;
    prepareToPlay(): void;
    play(): Promise<void>;
    pause(): void;
    stop(): void;
    
    close(): void;
    closeAysnc(): void;
    setCurrentPlaybackTime(currentPlaybackTime: NSTimeInterval, finised: (success: boolean) => void): void;
    
    addPeriodicTimeObserverForInterval(interval: NSTimeInterval, queue: dispatch_queue_t, block: () => void): void;
    
    removeTimeObserver(): void;
    supportedResolutionTypes(): any;
    
    supportedQualityInfos(): NSArray<NSString>;
    configResolution(resolution: TTVideoEngineResolutionType): BOOL;
    
    videoSizeForType(type: TTVideoEngineResolutionType): NSInteger;
    
    copyPixelBuffer(): CVPixelBufferRef;
    
    isSupportHDR(): BOOL;
    
    isSupportSR(): BOOL;
    
    snapshot(completion: (arg0: UIImage) => void): void;
    setOptionForKey(key: number, value: id): Promise<void>;
    getOptionBykey(key: number): any;
    currentPlaybackTime(): NSTimeInterval;
    init(): this;
    
    setVideoEngineVideoSource(source: id<TTVideoEngineMediaSource>): void;
    
    getVideoEngineStrategyUniqueId(): NSString;
    
    subtitleIDs(): NSArray;
    
    subtitleDescriptions(): TTVideoEngineSubModel;
    
    requestedSubtitleInfo(): NSDictionary;
    
    subtitleInfos(): NSArray;
    
    hasEmbeddedSubtitle(): BOOL;
    
    switchNewSubtitleModel(subModel: id<TTVideoEngineSubProtocol>): void;
    
    addNewSubtitleModel(subModel: id<TTVideoEngineSubProtocol>): void;
    
    getSubtitleInfo(queryTime: NSInteger): TTVideoEngineSubInfo;
    
    getPlayerSessionId(): NSString;
}
export declare class TTVideoEngineDownloader {
    
    static shareLoader(): TTVideoEngineDownloader;
    
    maxDownloadOperationCount: NSUInteger;
    
    limitFreeDiskSize: int64_t;
    
    delegate: id<TTVideoEngineDownloaderDelegate>;
    
    downloadSize(): NSInteger;
    
    suspendAllTasks(): void;
    
    resumeAllTasks(): void;
    
    removeAllTasks(): void;
    
    urlTask(urls: NSArray, key: NSString, videoId: NSString): Promise<TTVideoEngineDownloadURLTask>;
    
    vidTask_playAuthToken_resolution(videoId: NSString, token: NSString, resolution: TTVideoEngineResolutionType): Promise<TTVideoEngineDownloadVidTask>;
    
    vidTask(videoId: NSString, token: NSString, resolution: TTVideoEngineResolutionType, codecType: TTVideoEngineEncodeType): Promise<TTVideoEngineDownloadVidTask>;
    init(): this;
}
export declare class TTVideoEngineDownloadTask {
    
    taskDescription: NSString;
    
    countOfBytesReceived: int64_t;
    
    countOfBytesExpectedToReceive: int64_t;
    
    progress: double;
    
    state: TTVideoEngineDownloadState;
    
    error: NSError;
    
    availableLocalFilePath: NSString;
    
    invalidateAndCancel(): void;
    
    suspend(): void;
    
    resume(): void;
    init(): this;
}
export declare class TTVideoEngineDownloadURLTask extends TTVideoEngineDownloadTask {
    
    key: NSString;
    
    videoId: NSString;
    /**
     * @locale zh
     * @type api
     * @brief URL 列表，支持主备 URL。
     */
    urls: NSArray;
    
    updateUrls(urls: NSArray): void;
    init(): this;
}
export declare class TTVideoEngineDownloadVidTask extends TTVideoEngineDownloadTask {
    
    resolution: TTVideoEngineResolutionType;
    
    codecType: TTVideoEngineEncodeType;
    
    h265Enable: BOOL;
    /**
     * @locale zh
     * @type api
     * @brief 视频 ID。
     */
    videoId: NSString;
    
    baseDashEnable: BOOL;
    
    httpsEnable: BOOL;
    
    resolutionMap: NSDictionary<NSString, NSNumber>;
    
    currentResolution: TTVideoEngineResolutionType;
    
    videoModel: TTVideoEngineModel;
    
    urlExtendParams: NSDictionary;
    init(): this;
}
export declare class TTVideoEngineDirectURLItem {
    static urlItem(key: NSString, urls: NSArray<NSString>, urlExpiredTime: NSInteger): TTVideoEngineDirectURLItem;
    key: NSString;
    urls: NSArray<NSString>;
    videoId: NSString;
    cacheFilePath: NSString;
    urlExpiredTime: NSInteger;
    init(): this;
}
export declare class TTVideoEnginePreloaderSubtitleVidItem {
    static subtitleVidItemWithVideoSource(source: id<TTVideoEngineMediaSource>): TTVideoEnginePreloaderSubtitleVidItem;
    
    subtitleAuthToken: NSString;
    
    preloadSubtitleModelBlock(subModels: NSArray<id<TTVideoEngineSubProtocol>>): TTVideoEngineSubProtocol;
    init(): this;
}
export declare class TTVideoEnginePreloaderItem {
    
    setCustomHeaderValue(value: NSString, key: NSString): void;
    init(): this;
}
export declare class TTVideoEngineHLSProxyDelegate {
}