docs: public void setBaseId(byte[] baseId) {
      if (baseId == null) {
        throw new IllegalArgumentException("Transmitter base ID cannot be null.");
      }
      if (baseId.length != TRANSMITTER_ID_SIZE) {
        throw new IllegalArgumentException(String.format(
            "Transmitter base ID must be %d bytes long.",
            Integer.valueOf(TRANSMITTER_ID_SIZE)));
      }
      this.baseId = baseId;
    }