index.d.ts

export = dashjs;
export as namespace dashjs;

declare namespace dashjs {
    interface Logger {
        debug(...params: any[]): void;

        info(...params: any[]): void;

        warn(...params: any[]): void;

        error(...params: any[]): void;

        fatal(...params: any[]): void;
    }

    const enum LogLevel {
        LOG_LEVEL_NONE = 0,
        LOG_LEVEL_FATAL = 1,
        LOG_LEVEL_ERROR = 2,
        LOG_LEVEL_WARNING = 3,
        LOG_LEVEL_INFO = 4,
        LOG_LEVEL_DEBUG = 5
    }

    interface Debug {
        getLogger(): Logger;

        setLogTimestampVisible(flag: boolean): void;

        setCalleeNameVisible(flag: boolean): void;
    }

    interface DashJSError {
        code: number | null;
        message: string | null;
        data: unknown | null;
    }

    interface VideoModel {
    }

    interface ProtectionController {
        initializeForMedia(mediaInfo: ProtectionMediaInfo): void;

        clearMediaInfoArray(): void;

        createKeySession(ksInfo: KeySystemInfo): void;

        loadKeySession(ksInfo: KeySystemInfo): void;

        removeKeySession(session: SessionToken): void;

        closeKeySession(session: SessionToken): void;

        setServerCertificate(serverCertificate: ArrayBuffer): void;

        setMediaElement(element: HTMLMediaElement): void;

        setSessionType(type: string): void;

        setRobustnessLevel(level: string): void;

        setProtectionData(protDataSet: ProtectionDataSet): void;

        getSupportedKeySystemsFromContentProtection(cps: any[]): KeySystemInfo[];

        getKeySystems(): KeySystem[];

        setKeySystems(keySystems: KeySystem[]): void;

        setLicenseRequestFilters(filters: RequestFilter[]): void;

        setLicenseResponseFilters(filters: ResponseFilter[]): void;

        stop(): void;

        reset(): void;
    }

    export interface OfflineRecord {
        id: string;
        progress: number;
        url: string;
        originalUrl: string;
        status: string;
    }

    interface OfflineController {
        loadRecordsFromStorage(): Promise<void>;

        getAllRecords(): OfflineRecord[];

        createRecord(manifestURL: string): Promise<string>;

        startRecord(id: string, mediaInfos: MediaInfo[]): void;

        stopRecord(id: string): void;

        resumeRecord(id: string): void;

        deleteRecord(id: string): void;

        getRecordProgression(id: string): number;

        resetRecords(): void;

        reset(): void;
    }

    export interface Bitrate {
        id?: string;
        width?: number;
        height?: number;
        bandwidth?: number;
        scanType?: string;
    }

    export type MediaType = 'video' | 'audio' | 'text' | 'image';

    export class MediaInfo {
        id: string | null;
        index: number | null;
        type: MediaType | null;
        streamInfo: StreamInfo | null;
        representationCount: number;
        labels: string[];
        lang: string | null;
        viewpoint: any | undefined | null;
        accessibility: any[] | null;
        audioChannelConfiguration: any[] | null;
        roles: string[] | null;
        codec: string | null;
        mimeType: string | null;
        contentProtection: any | null;
        isText: boolean;
        KID: any | null;
        bitrateList: Bitrate[];
    }

    export class ProtectionMediaInfo {
        codec: string | null;
        contentProtection: any | null;
    }

    export class MediaPlayerSettingClass {
        debug?: {
            logLevel?: LogLevel;
            dispatchEvent?: boolean;
        };
        streaming?: {
            abandonLoadTimeout?: number,
            wallclockTimeUpdateInterval?: number,
            manifestUpdateRetryInterval?: number,
            applyServiceDescription?: boolean,
            cacheInitSegments?: boolean,
            eventControllerRefreshDelay?: number,
            capabilities?: {
                filterUnsupportedEssentialProperties?: boolean,
                useMediaCapabilitiesApi?: boolean
            },
            timeShiftBuffer?: {
                calcFromSegmentTimeline?: boolean
                fallbackToSegmentTimeline?: boolean
            },
            metrics?: {
                maxListDepth?: number
            },
            delay?: {
                liveDelayFragmentCount?: number,
                liveDelay?: number,
                useSuggestedPresentationDelay?: boolean
            },
            protection?: {
                keepProtectionMediaKeys?: boolean,
                ignoreEmeEncryptedEvent?: boolean
            },
            buffer?: {
                enableSeekDecorrelationFix?: boolean,
                fastSwitchEnabled?: boolean,
                flushBufferAtTrackSwitch?: boolean,
                reuseExistingSourceBuffers?: boolean,
                bufferPruningInterval?: number,
                bufferToKeep?: number,
                bufferTimeAtTopQuality?: number,
                bufferTimeAtTopQualityLongForm?: number,
                initialBufferLevel?: number,
                stableBufferTime?: number,
                longFormContentDurationThreshold?: number,
                stallThreshold?: number,
                useAppendWindow?: boolean,
                setStallState?: boolean
            },
            gaps?: {
                jumpGaps?: boolean,
                jumpLargeGaps?: boolean,
                smallGapLimit?: number,
                threshold?: number,
                enableSeekFix?: boolean
            },
            utcSynchronization?: {
                enabled?: boolean,
                useManifestDateHeaderTimeSource?: boolean,
                backgroundAttempts?: number,
                timeBetweenSyncAttempts?: number,
                maximumTimeBetweenSyncAttempts?: number,
                minimumTimeBetweenSyncAttempts?: number,
                timeBetweenSyncAttemptsAdjustmentFactor?: number,
                maximumAllowedDrift?: number,
                enableBackgroundSyncAfterSegmentDownloadError?: boolean,
                defaultTimingSource?: {
                    scheme?: string,
                    value?: string
                }
            },
            scheduling?: {
                defaultTimeout?: number,
                lowLatencyTimeout?: number,
                scheduleWhilePaused?: boolean
            },
            text?: {
                defaultEnabled?: boolean
            },
            liveCatchup?: {
                maxDrift?: number;
                playbackRate?: number;
                latencyThreshold?: number,
                playbackBufferMin?: number,
                enabled?: boolean
                mode?: string
            }
            lastBitrateCachingInfo?: {
                enabled?: boolean;
                ttl?: number;
            };
            lastMediaSettingsCachingInfo?: {
                enabled?: boolean;
                ttl?: number;
            };
            cacheLoadThresholds?: {
                video?: number;
                audio?: number;
            };
            trackSwitchMode?: {
                video?: TrackSwitchMode;
                audio?: TrackSwitchMode;
            }
            selectionModeForInitialTrack?: TrackSelectionMode
            fragmentRequestTimeout?: number;
            retryIntervals?: {
                'MPD'?: number;
                'XLinkExpansion'?: number;
                'MediaSegment'?: number;
                'InitializationSegment'?: number;
                'BitstreamSwitchingSegment'?: number;
                'IndexSegment'?: number;
                'FragmentInfoSegment'?: number;
                'license'?: number;
                'other'?: number;
                'lowLatencyReductionFactor'?: number;
            };
            retryAttempts?: {
                'MPD'?: number;
                'XLinkExpansion'?: number;
                'MediaSegment'?: number;
                'InitializationSegment'?: number;
                'BitstreamSwitchingSegment'?: number;
                'IndexSegment'?: number;
                'FragmentInfoSegment'?: number;
                'license'?: number;
                'other'?: number;
                'lowLatencyMultiplyFactor'?: number;
            };
            abr?: {
                movingAverageMethod?: 'slidingWindow' | 'ewma';
                ABRStrategy?: 'abrDynamic' | 'abrBola' | 'abrL2A' | 'abrLoLP' | 'abrThroughput';
                additionalAbrRules?: {
                    insufficientBufferRule?: boolean,
                    switchHistoryRule?: boolean,
                    droppedFramesRule?: boolean,
                    abandonRequestsRule?: boolean
                },
                bandwidthSafetyFactor?: number;
                useDefaultABRRules?: boolean;
                useDeadTimeLatency?: boolean;
                limitBitrateByPortal?: boolean;
                usePixelRatioInLimitBitrateByPortal?: boolean;
                maxBitrate?: {
                    audio?: number;
                    video?: number;
                };
                minBitrate?: {
                    audio?: number;
                    video?: number;
                };
                maxRepresentationRatio?: {
                    audio?: number;
                    video?: number;
                };
                initialBitrate?: {
                    audio?: number;
                    video?: number;
                };
                initialRepresentationRatio?: {
                    audio?: number;
                    video?: number;
                };
                autoSwitchBitrate?: {
                    audio?: boolean;
                    video?: boolean;
                },
                fetchThroughputCalculationMode?: string;
            },
            cmcd?: {
                enabled?: boolean,
                sid?: string,
                cid?: string,
                rtp?: number,
                rtpSafetyFactor?: number,
                mode?: 'query' | 'header'
            }
        };
        errors?: {
            recoverAttempts?: {
                mediaErrorDecode?: number
            }
        }
    }

    export interface Representation {
        id: string;
        index: number;
        adaptation: object;
        segmentInfoType: string;
        initialization: object;
        codecs: string;
        mimeType: string;
        codecPrivateData: string;
        segmentDuration: number;
        timescale: number;
        startNumber: number;
        indexRange: string;
        range: string;
        presentationTimeOffset: number;
        MSETimeOffset: number;
        availableSegmentsNumber: number;
        bandwidth: number;
        width: number;
        height: number;
        scanType: string;
        maxPlayoutRate: number;
        availabilityTimeOffset: number;
        availabilityTimeComplete: boolean;
        frameRate: number;
    }

    export type CapabilitiesFilter = (representation: Representation) => boolean;

    export type TrackSelectionFunction = (tracks: MediaInfo[]) => MediaInfo[];

    export interface MediaPlayerClass {
        initialize(view?: HTMLElement, source?: string, autoPlay?: boolean): void;

        on(type: AstInFutureEvent['type'], listener: (e: AstInFutureEvent) => void, scope?: object): void;

        on(type: BufferEvent['type'], listener: (e: BufferEvent) => void, scope?: object): void;

        on(type: CaptionRenderedEvent['type'], listener: (e: CaptionRenderedEvent) => void, scope?: object): void;

        on(type: CaptionContainerResizeEvent['type'], listener: (e: CaptionContainerResizeEvent) => void, scope?: object): void;

        on(type: DynamicToStaticEvent['type'], listener: (e: DynamicToStaticEvent) => void, scope?: object): void;

        on(type: ErrorEvent['type'], listener: (e: ErrorEvent) => void, scope?: object): void;

        on(type: FragmentLoadingCompletedEvent['type'], listener: (e: FragmentLoadingCompletedEvent) => void, scope?: object): void;

        on(type: FragmentLoadingAbandonedEvent['type'], listener: (e: FragmentLoadingAbandonedEvent) => void, scope?: object): void;

        on(type: KeyErrorEvent['type'], listener: (e: KeyErrorEvent) => void, scope?: object): void;

        on(type: KeyMessageEvent['type'], listener: (e: KeyMessageEvent) => void, scope?: object): void;

        on(type: KeySessionClosedEvent['type'], listener: (e: KeySessionClosedEvent) => void, scope?: object): void;

        on(type: KeySessionEvent['type'], listener: (e: KeySessionEvent) => void, scope?: object): void;

        on(type: KeyStatusesChangedEvent['type'], listener: (e: KeyStatusesChangedEvent) => void, scope?: object): void;

        on(type: KeySystemSelectedEvent['type'], listener: (e: KeySystemSelectedEvent) => void, scope?: object): void;

        on(type: LicenseRequestCompleteEvent['type'], listener: (e: LicenseRequestCompleteEvent) => void, scope?: object): void;

        on(type: LogEvent['type'], listener: (e: LogEvent) => void, scope?: object): void;

        on(type: ManifestLoadedEvent['type'], listener: (e: ManifestLoadedEvent) => void, scope?: object): void;

        on(type: MetricEvent['type'], listener: (e: MetricEvent) => void, scope?: object): void;

        on(type: MetricChangedEvent['type'], listener: (e: MetricChangedEvent) => void, scope?: object): void;

        on(type: OfflineRecordEvent['type'], listener: (e: OfflineRecordEvent) => void, scope?: object): void;

        on(type: OfflineRecordLoademetadataEvent['type'], listener: (e: OfflineRecordLoademetadataEvent) => void, scope?: object): void;

        on(type: PeriodSwitchEvent['type'], listener: (e: PeriodSwitchEvent) => void, scope?: object): void;

        on(type: PlaybackErrorEvent['type'], listener: (e: PlaybackErrorEvent) => void, scope?: object): void;

        on(type: PlaybackPausedEvent['type'], listener: (e: PlaybackPausedEvent) => void, scope?: object): void;

        on(type: PlaybackPlayingEvent['type'], listener: (e: PlaybackPlayingEvent) => void, scope?: object): void;

        on(type: PlaybackRateChangedEvent['type'], listener: (e: PlaybackRateChangedEvent) => void, scope?: object): void;

        on(type: PlaybackSeekingEvent['type'], listener: (e: PlaybackSeekingEvent) => void, scope?: object): void;

        on(type: PlaybackStartedEvent['type'], listener: (e: PlaybackStartedEvent) => void, scope?: object): void;

        on(type: PlaybackTimeUpdatedEvent['type'], listener: (e: PlaybackTimeUpdatedEvent) => void, scope?: object): void;

        on(type: ProtectionCreatedEvent['type'], listener: (e: ProtectionCreatedEvent) => void, scope?: object): void;

        on(type: ProtectionDestroyedEvent['type'], listener: (e: ProtectionDestroyedEvent) => void, scope?: object): void;

        on(type: QualityChangeRenderedEvent['type'], listener: (e: QualityChangeRenderedEvent) => void, scope?: object): void;

        on(type: QualityChangeRequestedEvent['type'], listener: (e: QualityChangeRequestedEvent) => void, scope?: object): void;

        on(type: StreamInitializedEvent['type'], listener: (e: StreamInitializedEvent) => void, scope?: object): void;

        on(type: TextTracksAddedEvent['type'], listener: (e: TextTracksAddedEvent) => void, scope?: object): void;

        on(type: TtmlParsedEvent['type'], listener: (e: TtmlParsedEvent) => void, scope?: object): void;

        on(type: TtmlToParseEvent['type'], listener: (e: TtmlToParseEvent) => void, scope?: object): void;

        on(type: AdaptationSetRemovedNoCapabilitiesEvent['type'], listener: (e: AdaptationSetRemovedNoCapabilitiesEvent) => void, scope?: object): void;
        
        on(type: string, listener: (e: Event) => void, scope?: object): void;

        
        off(type: string, listener: (e: any) => void, scope?: object): void;

        extend(parentNameString: string, childInstance: object, override: boolean): void;

        attachView(element: HTMLElement): void;

        attachSource(urlOrManifest: string | object): void;

        isReady(): boolean;

        play(): void;

        isPaused(): boolean;

        pause(): void;

        isSeeking(): boolean;

        isDynamic(): boolean;

        seek(value: number): void;

        setPlaybackRate(value: number): void;

        getPlaybackRate(): number;

        setMute(value: boolean): void;

        isMuted(): boolean;

        setVolume(value: number): void;

        getVolume(): number;

        time(streamId?: string): number;

        duration(): number;

        timeAsUTC(): number;

        durationAsUTC(): number;

        getActiveStream(): Stream | null;

        getDVRWindowSize(): number;

        getDVRSeekOffset(value: number): number;

        convertToTimeCode(value: number): string;

        formatUTC(time: number, locales: string, hour12: boolean, withDate?: boolean): string;

        getVersion(): string;

        getDebug(): Debug;

        getBufferLength(type: MediaType): number;

        getVideoModel(): VideoModel;

        getTTMLRenderingDiv(): HTMLDivElement | null;

        getVideoElement(): HTMLVideoElement;

        getSource(): string | object;

        updateSource(urlOrManifest: string | object): void;

        getCurrentLiveLatency(): number;

        getTopBitrateInfoFor(type: MediaType): BitrateInfo;

        setAutoPlay(value: boolean): void;

        getAutoPlay(): boolean;

        getDashMetrics(): DashMetrics;

        getQualityFor(type: MediaType): number;

        setQualityFor(type: MediaType, value: number, replace?: boolean): void;

        updatePortalSize(): void;

        enableText(enable: boolean): void;

        enableForcedTextStreaming(value: boolean): void;

        isTextEnabled(): boolean;

        setTextTrack(idx: number): void;

        getBitrateInfoListFor(type: MediaType): BitrateInfo[];

        getStreamsFromManifest(manifest: object): StreamInfo[];

        getTracksFor(type: MediaType): MediaInfo[];

        getTracksForTypeFromManifest(type: MediaType, manifest: object, streamInfo: StreamInfo): MediaInfo[];

        getCurrentTrackFor(type: MediaType): MediaInfo | null;

        setInitialMediaSettingsFor(type: MediaType, value: MediaSettings): void;

        getInitialMediaSettingsFor(type: MediaType): MediaSettings;

        setCurrentTrack(track: MediaInfo): void;

        addABRCustomRule(type: string, rulename: string, rule: object): void;

        removeABRCustomRule(rulename: string): void;

        removeAllABRCustomRule(): void;

        getAverageThroughput(type: MediaType): number;

        retrieveManifest(url: string, callback: (manifest: object | null, error: any) => void): void;

        addUTCTimingSource(schemeIdUri: string, value: string): void;

        removeUTCTimingSource(schemeIdUri: string, value: string): void;

        clearDefaultUTCTimingSources(): void;

        restoreDefaultUTCTimingSources(): void;

        setXHRWithCredentialsForType(type: string, value: boolean): void;

        getXHRWithCredentialsForType(type: string): boolean;

        getProtectionController(): ProtectionController;

        attachProtectionController(value: ProtectionController): void;

        setProtectionData(value: ProtectionDataSet): void;

        registerLicenseRequestFilter(filter: RequestFilter): void,

        registerLicenseResponseFilter(filter: ResponseFilter): void,

        unregisterLicenseRequestFilter(filter: RequestFilter): void,

        unregisterLicenseResponseFilter(filter: ResponseFilter): void,

        registerCustomCapabilitiesFilter(filter: CapabilitiesFilter): void,

        unregisterCustomCapabilitiesFilter(filter: CapabilitiesFilter): void,

        setCustomInitialTrackSelectionFunction(fn: TrackSelectionFunction): void,

        resetCustomInitialTrackSelectionFunction(fn: TrackSelectionFunction): void,

        attachTTMLRenderingDiv(div: HTMLDivElement): void;

        getCurrentTextTrackIndex(): number;

        provideThumbnail(time: number, callback: (thumbnail: Thumbnail | null) => void): void;

        getDashAdapter(): DashAdapter;

        getOfflineController(): OfflineController;

        getSettings(): MediaPlayerSettingClass;

        updateSettings(settings: MediaPlayerSettingClass): void;

        resetSettings(): void;

        reset(): void;

        destroy(): void;

    }

    export interface MediaPlayerFactory {
        create(): MediaPlayerClass;
    }

    export function MediaPlayer(): MediaPlayerFactory;

    export namespace MediaPlayer {
        export const events: MediaPlayerEvents;
        export const errors: MediaPlayerErrors;
    }

    interface MediaPlayerErrors {
        MANIFEST_LOADER_PARSING_FAILURE_ERROR_CODE: 10;
        MANIFEST_LOADER_LOADING_FAILURE_ERROR_CODE: 11;
        XLINK_LOADER_LOADING_FAILURE_ERROR_CODE: 12;
        SEGMENT_BASE_LOADER_ERROR_CODE: 15;
        TIME_SYNC_FAILED_ERROR_CODE: 16;
        FRAGMENT_LOADER_LOADING_FAILURE_ERROR_CODE: 17;
        FRAGMENT_LOADER_NULL_REQUEST_ERROR_CODE: 18;
        URL_RESOLUTION_FAILED_GENERIC_ERROR_CODE: 19;
        APPEND_ERROR_CODE: 20;
        REMOVE_ERROR_CODE: 21;
        DATA_UPDATE_FAILED_ERROR_CODE: 22;
        CAPABILITY_MEDIASOURCE_ERROR_CODE: 23;
        CAPABILITY_MEDIAKEYS_ERROR_CODE: 24;
        DOWNLOAD_ERROR_ID_MANIFEST_CODE: 25;
        DOWNLOAD_ERROR_ID_SIDX_CODE: 26;
        DOWNLOAD_ERROR_ID_CONTENT_CODE: 27;
        DOWNLOAD_ERROR_ID_INITIALIZATION_CODE: 28;
        DOWNLOAD_ERROR_ID_XLINK_CODE: 29;
        MANIFEST_ERROR_ID_PARSE_CODE: 31;
        MANIFEST_ERROR_ID_NOSTREAMS_CODE: 32;
        TIMED_TEXT_ERROR_ID_PARSE_CODE: 33;
        MANIFEST_ERROR_ID_MULTIPLEXED_CODE: 34;
        MEDIASOURCE_TYPE_UNSUPPORTED_CODE: 35;
        MEDIA_KEYERR_CODE: 100;
        MEDIA_KEYERR_UNKNOWN_CODE: 101;
        MEDIA_KEYERR_CLIENT_CODE: 102;
        MEDIA_KEYERR_SERVICE_CODE: 103;
        MEDIA_KEYERR_OUTPUT_CODE: 104;
        MEDIA_KEYERR_HARDWARECHANGE_CODE: 105;
        MEDIA_KEYERR_DOMAIN_CODE: 106;
        MEDIA_KEY_MESSAGE_ERROR_CODE: 107;
        MEDIA_KEY_MESSAGE_NO_CHALLENGE_ERROR_CODE: 108;
        SERVER_CERTIFICATE_UPDATED_ERROR_CODE: 109;
        KEY_STATUS_CHANGED_EXPIRED_ERROR_CODE: 110;
        MEDIA_KEY_MESSAGE_NO_LICENSE_SERVER_URL_ERROR_CODE: 111;
        KEY_SYSTEM_ACCESS_DENIED_ERROR_CODE: 112;
        KEY_SESSION_CREATED_ERROR_CODE: 113;
        MEDIA_KEY_MESSAGE_LICENSER_ERROR_CODE: 114;
        // MSS errors
        MSS_NO_TFRF_CODE: 200;
        MSS_UNSUPPORTED_CODEC_CODE: 201;
        // Offline errors
        OFFLINE_ERROR: 11000;
        INDEXEDDB_QUOTA_EXCEED_ERROR: 11001;
        INDEXEDDB_INVALID_STATE_ERROR: 11002;
        INDEXEDDB_NOT_READABLE_ERROR: 11003;
        INDEXEDDB_NOT_FOUND_ERROR: 11004;
        INDEXEDDB_NETWORK_ERROR: 11005;
        INDEXEDDB_DATA_ERROR: 11006;
        INDEXEDDB_TRANSACTION_INACTIVE_ERROR: 11007;
        INDEXEDDB_NOT_ALLOWED_ERROR: 11008;
        INDEXEDDB_NOT_SUPPORTED_ERROR: 11009;
        INDEXEDDB_VERSION_ERROR: 11010;
        INDEXEDDB_TIMEOUT_ERROR: 11011;
        INDEXEDDB_ABORT_ERROR: 11012;
        INDEXEDDB_UNKNOWN_ERROR: 11013;
    }

    interface MediaPlayerEvents {
        AST_IN_FUTURE: 'astInFuture';
        BUFFER_EMPTY: 'bufferStalled';
        BUFFER_LOADED: 'bufferLoaded';
        BUFFER_LEVEL_STATE_CHANGED: 'bufferStateChanged';
        BUFFER_LEVEL_UPDATED: 'bufferLevelUpdated';
        CAN_PLAY: 'canPlay';
        CAN_PLAY_THROUGH: 'canPlayThrough';
        CAPTION_RENDERED: 'captionRendered';
        CAPTION_CONTAINER_RESIZE: 'captionContainerResize';
        CONFORMANCE_VIOLATION: 'conformanceViolation'
        DYNAMIC_TO_STATIC: 'dynamicToStatic';
        ERROR: 'error';
        EVENT_MODE_ON_RECEIVE: 'eventModeOnReceive';
        EVENT_MODE_ON_START: 'eventModeOnStart';
        FRAGMENT_LOADING_COMPLETED: 'fragmentLoadingCompleted';
        FRAGMENT_LOADING_PROGRESS: 'fragmentLoadingProgress';
        FRAGMENT_LOADING_STARTED: 'fragmentLoadingStarted';
        FRAGMENT_LOADING_ABANDONED: 'fragmentLoadingAbandoned';
        KEY_ADDED: 'public_keyAdded';
        KEY_ERROR: 'public_keyError';
        KEY_MESSAGE: 'public_keyMessage';
        KEY_SESSION_CLOSED: 'public_keySessionClosed';
        KEY_SESSION_CREATED: 'public_keySessionCreated';
        KEY_SESSION_REMOVED: 'public_keySessionRemoved';
        KEY_STATUSES_CHANGED: 'public_keyStatusesChanged';
        KEY_SYSTEM_SELECTED: 'public_keySystemSelected';
        KEY_SYSTEM_ACCESS_COMPLETE: 'public_keySystemAccessComplete';
        KEY_SESSION_UPDATED: 'public_keySessionUpdated';
        LICENSE_REQUEST_COMPLETE: 'public_licenseRequestComplete';
        LICENSE_REQUEST_SENDING: 'public_licenseRequestSending';
        LOG: 'log';
        MANIFEST_LOADED: 'manifestLoaded';
        MANIFEST_VALIDITY_CHANGED: 'manifestValidityChanged';
        METRICS_CHANGED: 'metricsChanged';
        METRIC_ADDED: 'metricAdded';
        METRIC_CHANGED: 'metricChanged';
        METRIC_UPDATED: 'metricUpdated';
        OFFLINE_RECORD_FINISHED: 'public_offlineRecordFinished';
        OFFLINE_RECORD_LOADEDMETADATA: 'public_offlineRecordLoadedmetadata';
        OFFLINE_RECORD_STARTED: 'public_offlineRecordStarted';
        OFFLINE_RECORD_STOPPED: 'public_offlineRecordStopped';
        PERIOD_SWITCH_STARTED: 'periodSwitchStarted';
        PERIOD_SWITCH_COMPLETED: 'periodSwitchCompleted';
        ADAPTATION_SET_REMOVED_NO_CAPABILITIES: 'adaptationSetRemovedNoCapabilities';
        PLAYBACK_ENDED: 'playbackEnded';
        PLAYBACK_ERROR: 'playbackError';
        PLAYBACK_LOADED_DATA: 'playbackLoadedData';
        PLAYBACK_METADATA_LOADED: 'playbackMetaDataLoaded';
        PLAYBACK_NOT_ALLOWED: 'playbackNotAllowed';
        PLAYBACK_PAUSED: 'playbackPaused';
        PLAYBACK_PLAYING: 'playbackPlaying';
        PLAYBACK_PROGRESS: 'playbackProgress';
        PLAYBACK_RATE_CHANGED: 'playbackRateChanged';
        PLAYBACK_SEEK_ASKED: 'playbackSeekAsked';
        PLAYBACK_SEEKED: 'playbackSeeked';
        PLAYBACK_SEEKING: 'playbackSeeking';
        PLAYBACK_STALLED: 'playbackStalled';
        PLAYBACK_STARTED: 'playbackStarted';
        PLAYBACK_TIME_UPDATED: 'playbackTimeUpdated';
        PLAYBACK_WAITING: 'playbackWaiting';
        PROTECTION_CREATED: 'public_protectioncreated';
        PROTECTION_DESTROYED: 'public_protectiondestroyed';
        REPRESENTATION_SWITCH: 'representationSwitch';
        TRACK_CHANGE_RENDERED: 'trackChangeRendered';
        QUALITY_CHANGE_RENDERED: 'qualityChangeRendered';
        QUALITY_CHANGE_REQUESTED: 'qualityChangeRequested';
        STREAM_ACTIVATED: 'streamActivated'
        STREAM_DEACTIVATED: 'streamDeactivated';
        STREAM_INITIALIZED: 'streamInitialized';
        STREAM_INITIALIZING: 'streamInitializing';
        STREAM_TEARDOWN_COMPLETE: 'streamTeardownComplete';
        STREAM_UPDATED: 'streamUpdated';
        TEXT_TRACKS_ADDED: 'allTextTracksAdded';
        TEXT_TRACK_ADDED: 'textTrackAdded';
        TTML_PARSED: 'ttmlParsed';
        TTML_TO_PARSE: 'ttmlToParse';
    }

    export interface Event {
        type: string;
    }

    export interface AstInFutureEvent extends Event {
        type: MediaPlayerEvents['AST_IN_FUTURE'];
        delay: number;
    }

    export interface BufferEvent extends Event {
        type: MediaPlayerEvents['BUFFER_EMPTY' | 'BUFFER_LOADED'];
        mediaType: MediaType;
    }

    export interface BufferStateChangedEvent extends Event {
        type: MediaPlayerEvents['BUFFER_LEVEL_STATE_CHANGED'];
        mediaType: MediaType;
        sender: object;
        state: 'bufferStalled' | 'bufferLoaded';
        streamInfo: StreamInfo;
    }

    export interface GenericErrorEvent extends Event {
        type: MediaPlayerEvents['ERROR'];
        error: 'capability' | 'mediasource' | 'key_session' | 'key_message';
        event: string;
    }

    export interface DownloadErrorEvent extends Event {
        type: MediaPlayerEvents['ERROR'];
        error: 'download';
        event: {
            id: string;
            url: string;
            request: XMLHttpRequest;
        };
    }

    export interface ManifestErrorEvent extends Event {
        type: MediaPlayerEvents['ERROR'];
        error: 'manifestError';
        event: {
            id: string;
            message: string;
            manifest?: object;
            event?: string;
        };
    }

    export interface TimedTextErrorEvent extends Event {
        type: MediaPlayerEvents['ERROR'];
        error: 'cc';
        event: {
            id: string;
            message: string;
            cc: string;
        };
    }

    export interface MediaPlayerErrorEvent extends Event {
        type: MediaPlayerEvents['ERROR'];
        error: {
            code: MediaPlayerErrors['MANIFEST_LOADER_PARSING_FAILURE_ERROR_CODE'] |
                MediaPlayerErrors['MANIFEST_LOADER_LOADING_FAILURE_ERROR_CODE'] |
                MediaPlayerErrors['XLINK_LOADER_LOADING_FAILURE_ERROR_CODE'] |
                MediaPlayerErrors['SEGMENT_BASE_LOADER_ERROR_CODE'] |
                MediaPlayerErrors['TIME_SYNC_FAILED_ERROR_CODE'] |
                MediaPlayerErrors['FRAGMENT_LOADER_LOADING_FAILURE_ERROR_CODE'] |
                MediaPlayerErrors['FRAGMENT_LOADER_NULL_REQUEST_ERROR_CODE'] |
                MediaPlayerErrors['URL_RESOLUTION_FAILED_GENERIC_ERROR_CODE'] |
                MediaPlayerErrors['APPEND_ERROR_CODE'] |
                MediaPlayerErrors['REMOVE_ERROR_CODE'] |
                MediaPlayerErrors['DATA_UPDATE_FAILED_ERROR_CODE'] |
                MediaPlayerErrors['CAPABILITY_MEDIASOURCE_ERROR_CODE'] |
                MediaPlayerErrors['CAPABILITY_MEDIAKEYS_ERROR_CODE'] |
                MediaPlayerErrors['DOWNLOAD_ERROR_ID_MANIFEST_CODE'] |
                MediaPlayerErrors['DOWNLOAD_ERROR_ID_CONTENT_CODE'] |
                MediaPlayerErrors['DOWNLOAD_ERROR_ID_INITIALIZATION_CODE'] |
                MediaPlayerErrors['DOWNLOAD_ERROR_ID_XLINK_CODE'] |
                MediaPlayerErrors['MANIFEST_ERROR_ID_PARSE_CODE'] |
                MediaPlayerErrors['MANIFEST_ERROR_ID_NOSTREAMS_CODE'] |
                MediaPlayerErrors['TIMED_TEXT_ERROR_ID_PARSE_CODE'] |
                MediaPlayerErrors['MANIFEST_ERROR_ID_MULTIPLEXED_CODE'] |
                MediaPlayerErrors['MEDIASOURCE_TYPE_UNSUPPORTED_CODE'] |
                // Protection errors
                MediaPlayerErrors['MEDIA_KEYERR_CODE'] |
                MediaPlayerErrors['MEDIA_KEYERR_UNKNOWN_CODE'] |
                MediaPlayerErrors['MEDIA_KEYERR_CLIENT_CODE'] |
                MediaPlayerErrors['MEDIA_KEYERR_SERVICE_CODE'] |
                MediaPlayerErrors['MEDIA_KEYERR_OUTPUT_CODE'] |
                MediaPlayerErrors['MEDIA_KEYERR_HARDWARECHANGE_CODE'] |
                MediaPlayerErrors['MEDIA_KEYERR_DOMAIN_CODE'] |
                MediaPlayerErrors['MEDIA_KEY_MESSAGE_ERROR_CODE'] |
                MediaPlayerErrors['MEDIA_KEY_MESSAGE_NO_CHALLENGE_ERROR_CODE'] |
                MediaPlayerErrors['SERVER_CERTIFICATE_UPDATED_ERROR_CODE'] |
                MediaPlayerErrors['KEY_STATUS_CHANGED_EXPIRED_ERROR_CODE'] |
                MediaPlayerErrors['MEDIA_KEY_MESSAGE_NO_LICENSE_SERVER_URL_ERROR_CODE'] |
                MediaPlayerErrors['KEY_SYSTEM_ACCESS_DENIED_ERROR_CODE'] |
                MediaPlayerErrors['KEY_SESSION_CREATED_ERROR_CODE'] |
                MediaPlayerErrors['MEDIA_KEY_MESSAGE_LICENSER_ERROR_CODE'] |
                // Offline errors
                MediaPlayerErrors['OFFLINE_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_QUOTA_EXCEED_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_INVALID_STATE_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_NOT_READABLE_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_NOT_FOUND_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_NETWORK_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_DATA_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_TRANSACTION_INACTIVE_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_NOT_ALLOWED_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_NOT_SUPPORTED_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_VERSION_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_TIMEOUT_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_ABORT_ERROR'] |
                MediaPlayerErrors['INDEXEDDB_UNKNOWN_ERROR'] |
                // MSS errors
                MediaPlayerErrors['MSS_NO_TFRF_CODE'] |
                MediaPlayerErrors['MSS_UNSUPPORTED_CODEC_CODE'],
            message: string,
            data: object,
        }
    }

    export type ErrorEvent =
        GenericErrorEvent
        | DownloadErrorEvent
        | ManifestErrorEvent
        | TimedTextErrorEvent
        | MediaPlayerErrorEvent;

    export interface CaptionRenderedEvent extends Event {
        type: MediaPlayerEvents['CAPTION_RENDERED'];
        captionDiv: HTMLDivElement;
        currentTrackIdx: number;
    }

    export interface CaptionContainerResizeEvent extends Event {
        type: MediaPlayerEvents['CAPTION_CONTAINER_RESIZE'];
    }

    export interface DynamicToStaticEvent extends Event {
        type: MediaPlayerEvents['DYNAMIC_TO_STATIC'];
    }

    export interface FragmentLoadingCompletedEvent extends Event {
        type: MediaPlayerEvents['FRAGMENT_LOADING_COMPLETED'];
        request: FragmentRequest;
        response: ArrayBuffer;
        sender: object;
    }

    export interface FragmentLoadingAbandonedEvent extends Event {
        type: MediaPlayerEvents['FRAGMENT_LOADING_ABANDONED'];
        streamProcessor: object;
        request: object;
        mediaType: MediaType;
    }

    export class KeyError {
        constructor(sessionToken: SessionToken, errorString: string);

        sessionToken: SessionToken;
        error: string;
    }

    export interface KeyErrorEvent extends Event {
        type: MediaPlayerEvents['KEY_ERROR'];
        data: KeyError;
    }

    export class KeyMessage {
        constructor(sessionToken: SessionToken, message: ArrayBuffer, defaultURL: string, messageType?: string);

        sessionToken: SessionToken;
        message: ArrayBuffer;
        defaultURL: string;
        messageType: string;
    }

    export interface KeyMessageEvent extends Event {
        type: MediaPlayerEvents['KEY_MESSAGE'];
        data: KeyMessage;
    }

    export interface KeySessionClosedEvent extends Event {
        type: MediaPlayerEvents['KEY_SESSION_CLOSED' | 'KEY_SESSION_REMOVED'];
        data: string | null;
        error?: string;
    }

    export interface KeySessionEvent extends Event {
        type: MediaPlayerEvents['KEY_SESSION_CREATED'];
        data: SessionToken | null;
        error?: DashJSError;
    }

    export interface KeyStatusesChangedEvent extends Event {
        type: MediaPlayerEvents['KEY_STATUSES_CHANGED'];
        data: SessionToken;
        error?: DashJSError;
    }

    export interface KeySystemSelectedEvent extends Event {
        type: MediaPlayerEvents['KEY_SYSTEM_SELECTED'];
        data: object | null;
        error?: string;
    }

    export interface LicenseRequestCompleteEvent extends Event {
        type: MediaPlayerEvents['LICENSE_REQUEST_COMPLETE'];
        data: {
            sessionToken: SessionToken;
            messageType: string;
        };
        error?: DashJSError;
    }

    export interface LogEvent extends Event {
        type: MediaPlayerEvents['LOG'];
        message: string;
    }

    export interface ManifestLoadedEvent extends Event {
        type: MediaPlayerEvents['MANIFEST_LOADED'];
        data: object;
    }

    export interface MetricEvent extends Event {
        type: MediaPlayerEvents['METRIC_ADDED' | 'METRIC_UPDATED'];
        mediaType: MediaType;
        metric: MetricType;
        value: object;
    }

    export interface MetricChangedEvent extends Event {
        type: MediaPlayerEvents['METRIC_CHANGED'];
        mediaType: MediaType;
    }

    export interface OfflineRecordEvent extends Event {
        type: MediaPlayerEvents['OFFLINE_RECORD_FINISHED' | 'OFFLINE_RECORD_STARTED' | 'OFFLINE_RECORD_STOPPED' | 'OFFLINE_RECORD_STOPPED'];
        id: string;
    }

    export interface OfflineRecordLoademetadataEvent extends Event {
        type: MediaPlayerEvents['OFFLINE_RECORD_LOADEDMETADATA'];
        madiaInfos: MediaInfo[];
    }

    export interface PeriodSwitchEvent extends Event {
        type: MediaPlayerEvents['PERIOD_SWITCH_COMPLETED' | 'PERIOD_SWITCH_STARTED'];
        toStreamInfo: StreamInfo | null;
        fromStreamInfo?: StreamInfo | null;
    }

    export interface AdaptationSetRemovedNoCapabilitiesEvent extends Event {
        type: MediaPlayerEvents['ADAPTATION_SET_REMOVED_NO_CAPABILITIES'];
        adaptationSet: object;
    }

    export interface PlaybackErrorEvent extends Event {
        type: MediaPlayerEvents['PLAYBACK_ERROR'];
        error: string;
    }

    export interface PlaybackPausedEvent extends Event {
        type: MediaPlayerEvents['PLAYBACK_PAUSED'];
        ended: boolean | null;
    }

    export interface PlaybackPlayingEvent extends Event {
        type: MediaPlayerEvents['PLAYBACK_PLAYING'];
        playingTime: number | null;
    }

    export interface PlaybackRateChangedEvent extends Event {
        type: MediaPlayerEvents['PLAYBACK_RATE_CHANGED'];
        playbackRate: number | null;
    }

    export interface PlaybackSeekingEvent extends Event {
        type: MediaPlayerEvents['PLAYBACK_SEEKING'];
        seekTime: number | null;
    }

    export interface PlaybackStartedEvent extends Event {
        type: MediaPlayerEvents['PLAYBACK_STARTED'];
        startTime: number | null;
    }

    export interface PlaybackTimeUpdatedEvent extends Event {
        type: MediaPlayerEvents['PLAYBACK_TIME_UPDATED'];
        time: number | null;
        timeToEnd: number;
    }

    export interface PlaybackWaitingEvent extends Event {
        type: MediaPlayerEvents['PLAYBACK_WAITING'];
        playingTime: number | null;
    }

    export interface ProtectionCreatedEvent extends Event {
        type: MediaPlayerEvents['PROTECTION_CREATED'];
        controller: object;
    }

    export interface ProtectionDestroyedEvent extends Event {
        type: MediaPlayerEvents['PROTECTION_DESTROYED'];
        data: string;
    }

    export interface TrackChangeRenderedEvent extends Event {
        type: MediaPlayerEvents['TRACK_CHANGE_RENDERED'];
        mediaType: MediaType;
        oldMediaInfo: MediaInfo;
        newMediaInfo: MediaInfo;
    }

    export interface QualityChangeRenderedEvent extends Event {
        type: MediaPlayerEvents['QUALITY_CHANGE_RENDERED'];
        mediaType: MediaType;
        oldQuality: number;
        newQuality: number;
    }

    export interface QualityChangeRequestedEvent extends Event {
        type: MediaPlayerEvents['QUALITY_CHANGE_REQUESTED'];
        mediaType: MediaType;
        oldQuality: number;
        newQuality: number;
        streamInfo: StreamInfo | null;
        reason: {
            name?: string;
            droppedFrames?: number;
        } | null;
    }

    export interface StreamInitializedEvent extends Event {
        type: MediaPlayerEvents['STREAM_INITIALIZED'];
        streamInfo: StreamInfo;
        error: Error | null;
    }

    export interface TextTracksAddedEvent extends Event {
        type: MediaPlayerEvents['TEXT_TRACKS_ADDED'];
        enabled: boolean;
        index: number;
        tracks: TextTrackInfo[];
    }

    export interface TtmlParsedEvent extends Event {
        type: MediaPlayerEvents['TTML_PARSED'];
        ttmlString: string;
        ttmlDoc: object;
    }

    export interface TtmlToParseEvent extends Event {
        type: MediaPlayerEvents['TTML_TO_PARSE'];
        content: object;
    }

    export class BitrateInfo {
        mediaType: 'video' | 'audio' | 'image';
        bitrate: number;
        width: number;
        height: number;
        scanType: string;
        qualityIndex: number;
    }

    export interface FragmentRequest {
        action: string;
        availabilityEndTime: number;
        availabilityStartTime: Date;
        bytesLoaded: number;
        bytesTotal: number;
        delayLoadingTime: number;
        duration: number;
        firstByteDate: Date;
        index: number;
        mediaInfo: MediaInfo;
        mediaStartTime: number;
        mediaType: MediaType;
        quality: number;
        representationId: string;
        requestStartDate: Date;
        requestEndDate: Date | null;
        responseType: string;
        serviceLocation: string;
        startTime: number;
        timescale: number;
        type: 'InitializationSegment' | 'MediaSegment';
        url: string;
        wallStartTime: Date | null;
    }

    export interface MediaSettings {
        lang?: string;
        viewpoint?: any;
        audioChannelConfiguration?: any[];
        accessibility?: any;
        role?: string;
    }

    export interface SessionToken {
        session: MediaKeySession;
        initData: any;

        getSessionId(): string;

        getExpirationTime(): number;

        getKeyStatuses(): MediaKeyStatusMap;

        getSessionType(): string;

        getUsable(): boolean;
    }

    export interface Stream {
        initialize(streamInfo: StreamInfo, protectionController: ProtectionController): void;

        getStreamId(): string;

        activate(mediaSource: MediaSource, previousBufferSinks: any[]): void;

        deactivate(keepBuffers: boolean): void;

        getIsActive(): boolean;

        getDuration(): number;

        getStartTime(): number;

        getId(): string;

        getStreamInfo(): StreamInfo | null;

        getHasAudioTrack(): boolean;

        getHasVideoTrack(): boolean;

        startPreloading(mediaSource: MediaSource, previousBuffers: any[]): void;

        getThumbnailController(): object;

        getBitrateListFor(type: MediaType): BitrateInfo[];

        updateData(updatedStreamInfo: StreamInfo): void;

        reset(): void;

        getProcessors(): any[];

        setMediaSource(mediaSource: MediaSource): void;

        isMediaCodecCompatible(newStream: Stream, previousStream: Stream | null): boolean;

        isProtectionCompatible(newStream: Stream): boolean

        getPreloaded(): boolean

        getIsEndedEventSignaled(): boolean

        setIsEndedEventSignaled(value: boolean): void

        getAdapter(): DashAdapter

        getHasFinishedBuffering(): boolean

        setPreloaded(value: boolean): void

        startScheduleControllers(): void

        prepareTrackChange(e: object): void

        prepareQualityChange(e: object): void
    }

    export interface IManifestInfo {
        dvrWindowSize: number;
        availableFrom: Date;
        duration: number;
        isDynamic: boolean;
        loadedTime: Date;
        maxFragmentDuration: number;
        minBufferTime: number;
        protocol?: string;
    }

    export class StreamInfo {
        id: string;
        index: number;
        start: number;
        duration: number;
        manifestInfo: IManifestInfo;
        isLast: boolean;
    }

    export interface ICurrentRepresentationSwitch {
        mt: number;
        t: Date;
    }

    export interface IBufferState {
        target: number;
        state: string;
    }

    export interface DashMetrics {
        getCurrentRepresentationSwitch(type: MediaType): ICurrentRepresentationSwitch;

        getCurrentBufferState(type: MediaType): IBufferState;

        getCurrentBufferLevel(type: MediaType): number;

        getCurrentHttpRequest(type: MediaType): object;

        getHttpRequests(type: MediaType): object[];

        getCurrentDroppedFrames(): IDroppedFrames;

        getCurrentSchedulingInfo(type: MediaType): object;

        getCurrentDVRInfo(type?: MediaType): IDVRInfo;

        getCurrentManifestUpdate(): any;

        getLatestFragmentRequestHeaderValueByID(id: string): string;

        getLatestMPDRequestHeaderValueByID(type: MediaType, id: string): string;
    }

    export interface DashAdapter {
        getBandwidthForRepresentation(representationId: string, periodIdx: number): number;

        getIndexForRepresentation(representationId: string, periodIdx: number): number;

        /**
         * This method returns the current max index based on what is defined in the MPD.
         *
         * @param bufferType String 'audio' or 'video',
         * @param periodIdx Make sure this is the period index not id
         */
        getMaxIndexForBufferType(bufferType: MediaType, periodIdx: number): number;

        getMpd(externalManifest?: object): object;
    }

    export interface ProtectionDataSet {
        [keySystemName: string]: ProtectionData;
    }

    export interface ProtectionData {
        /**
         * A license server URL to use with this key system.
         * When specified as a string, a single URL will be used regardless of message type.
         * When specified as an object, the object will have property names for each message
         * type with the corresponding property value being the URL to use for
         * messages of that type
         */
        serverURL?: string | { [P in MediaKeyMessageType]: string };

        /** HTTP headers to add to the license request */
        httpRequestHeaders?: object;

        /** Wether license request is made using credentials */
        withCredentials?: Boolean;

        /** Timeout (in ms) for the license requests */
        httpTimeout?: number;

        /** The licenser server certificate as a BASE64 string representation of the binary stream (see https://www.w3.org/TR/encrypted-media/#dom-mediakeys-setservercertificate) */
        serverCertificate?: string;

        /** The audio robustness level (see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemmediacapability-robustness) */
        audioRobustness?: string;

        /** The video robustness level (see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemmediacapability-robustness) */
        videoRobustness?: string;

        /** Distinctive identifier (see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemconfiguration-distinctiveidentifier) */
        distinctiveIdentifier?: string;

        /** The session type (see https://www.w3.org/TR/encrypted-media/#dom-mediakeysessiontype) */
        sessionType?: string;

        /** The session id (see https://www.w3.org/TR/encrypted-media/#session-id) */
        sessionId?: string;

        /**
         * Defines a set of clear keys that are available to the key system.
         * Object properties are base64-encoded keyIDs (with no padding).
         * Corresponding property values are keys, base64-encoded (no padding).
         */
        clearkeys?: { [key: string]: string };

        /** Priority level of the key system to be selected (0 is the highest prority, -1 for undefined priority) */
        priority?: number;
    }

    export interface KeySystem {
        systemString: string;
        uuid: string;
        schemeIdURI: string;

        getInitData(cp: object): ArrayBuffer;

        getRequestHeadersFromMessage(message: ArrayBuffer): object | null;

        getLicenseRequestFromMessage(message: ArrayBuffer): Uint8Array;

        getLicenseServerURLFromInitData(initData: ArrayBuffer): string | null;

        getCDMData(cdmData: string | null): ArrayBuffer | null;
    }

    export interface KeySystemInfo {
        ks: KeySystem;
        sessionId?: string,
        sessionType?: string,
        keyId?: string,
        initData?: ArrayBuffer;
        cdmData?: ArrayBuffer;
        protData?: ProtectionData
    }

    export interface LicenseRequest {
        url: string;
        method: string;
        responseType: string;
        headers: object;
        withCredentials: boolean;
        messageType: string;
        sessionId: string;
        data: ArrayBuffer;
    }

    export interface LicenseResponse {
        url: string;
        headers: object;
        data: ArrayBuffer;
    }

    export type RequestFilter = (request: LicenseRequest) => Promise<any>;
    export type ResponseFilter = (response: LicenseResponse) => Promise<any>;

    export interface IBufferLevel {
        level: number;
        t: Date;
    }

    export interface IBufferState {
        state: string;
        target: number;
    }

    export interface IDVRInfo {
        manifestInfo: IManifestInfo;
        range: {
            start: number;
            end: number;
        };
        time: number;
    }

    export interface IDroppedFrames {
        droppedFrames: number;
        time: Date;
    }

    export class MetricsList {
        BufferLevel: IBufferLevel[];
        BufferState: IBufferState[];
        DVBErrors: any[];
        DVRInfo: IDVRInfo[];
        DroppedFrames: IDroppedFrames[];
        HttpList: any[];
        ManifestUpdate: any[];
        PlayList: any[];
        RepSwitchList: any[];
        RequestsQueue: RequestsQueue | null;
        SchedulingInfo: any[];
        TcpList: any[];
    }

    export class RequestsQueue {
        /**
         * Array of all of the requests that have begun to load.
         * This request may not make it into the executed queue if it is abandon due to ABR rules for example.
         */
        loadingRequests: any[];
        /**
         * Array of the the requests that have completed
         */
        executedRequests: any[];
    }

    export class TextTrackInfo extends MediaInfo {
        captionData: CaptionData[] | null;
        label: string | null;
        defaultTrack: boolean;
        kind: string;
        isFragmented: boolean;
        isEmbedded: boolean;
        isTTML: boolean;
    }

    export interface CaptionData {
        start: number;
        end: number;
        data?: string;
        styles?: {
            align?: string;
            line?: string;
            position?: string;
            size?: string;
        };
        type?: string;
        cueID?: string;
        isd?: object;
        images?: string[];
        embeddedImages?: { [id: string]: string };
    }

    export interface Thumbnail {
        url: string;
        width: number;
        height: number;
        x: number;
        y: number;
    }

    export type MetricType = 'ManifestUpdate' | 'RequestsQueue';
    export type TrackSwitchMode = 'alwaysReplace' | 'neverReplace';
    export type TrackSelectionMode =
        'highestSelectionPriority'
        | 'highestBitrate'
        | 'firstTrack'
        | 'highestEfficiency'
        | 'widestRange';

    export function supportsMediaSource(): boolean;

}