Playback
constructor(videoVariant: String, audioVariant: String, videoCodec: String, audioCodec: String, playbackSource: PlaybackSource? = null, error: PlaybackError? = null, contentPlayheadPositionMs: Long, contentDurationMs: Long, isFreePreview: Boolean = false, isDownloadable: Boolean = false, isCasting: Boolean = false, contentLanguage: String? = null, playbackMode: String? = null, ccEnabled: Boolean = false)