docs: public void sendLoadTrackCommand(int targetPlayer, int rekordboxId,
                                       int sourcePlayer, CdjStatus.TrackSourceSlot sourceSlot, CdjStatus.TrackType sourceType)
              throws IOException {
          final DeviceUpdate update = getLatestStatusFor(targetPlayer);
          if (update == null) {
              throw new IllegalArgumentException("Device " + targetPlayer + " not found on network.");
          }
          sendLoadTrackCommand(update, rekordboxId, sourcePlayer, sourceSlot, sourceType);
      }