code: public URL copyWith(String serviceUUID, String characteristicUUID, String fieldName) {
          return new URL(this.protocol, this.adapterAddress, this.deviceAddress, this.deviceAttributes, serviceUUID,
                  characteristicUUID, fieldName);
      }
docs: Makes a copy of a given URL with some additional components.
  @param serviceUUID UUID of a GATT service
  @param characteristicUUID UUID of a GATT characteristic
  @param fieldName name of a field of the characteristic
  @return a copy of a given URL with some additional components