Payload
constructor(streamingSessionId: String, idealStartTimestamp: Long, actualStartTimestamp: Long?, actualProductId: String, actualStreamType: StreamType, actualAssetPresentation: AssetPresentation, actualQuality: VideoQuality, mediaStorage: MediaStorage, cdm: PlaybackStatistics.Payload.Cdm, cdmVersion: String?, stalls: List<PlaybackStatistics.Payload.Stall>, adaptations: List<PlaybackStatistics.Payload.Adaptation>, endTimestamp: Long, endReason: EndReason, errorMessage: String?, errorCode: String?)