code: public byte[] toByteArray()
  	{
  		final ByteArrayOutputStream os = new ByteArrayOutputStream();
  		os.write(length);
  		os.write(connType);
  		os.write(opt, 0, opt.length);
  		return os.toByteArray();
  	}
docs: Returns the byte representation of the whole CR structure.
  <p>
  
  @return byte array containing structure