getVideoOrStreamingPlaylist (this: MVideoFileVideo | MVideoFileStreamingPlaylistVideo): MVideo | MStreamingPlaylistVideo {
if (this.videoId) return (this as MVideoFileVideo).Video
getVideoOrStreamingPlaylist (this: MVideoFileVideo | MVideoFileStreamingPlaylistVideo): MVideo | MStreamingPlaylistVideo {
if (this.videoId) return (this as MVideoFileVideo).Video