Interface PlaybackUpdateData

interface PlaybackUpdateData {
    isPlaying: boolean;
    trackId: null | string;
    trackName: null | string;
    artistName: null | string;
    albumName: null | string;
    albumArt: null | string;
    deviceName: null | string;
    deviceType: null | string;
    deviceVolume: null | number;
    trackDuration: null | number;
    trackProgress: null | number;
    trackProgressPercent: null | number;
    progress?: number;
    duration?: number;
    currentTimeSeconds?: number;
    currentTimeMs?: number;
    isInPlaylist?: boolean;
}