code: public Beacon fromScanData(byte[] scanData, int rssi, BluetoothDevice device) {
          return fromScanData(scanData, rssi, device, new Beacon());
      }
docs: Construct a Beacon from a Bluetooth LE packet collected by Android's Bluetooth APIs,
  including the raw Bluetooth device info
  
  @param scanData The actual packet bytes
  @param rssi The measured signal strength of the packet
  @param device The Bluetooth device that was detected
  @return An instance of a <code>Beacon</code>