docs: public static synchronized NetworkBuffer createBuffer(String installationID)
  	{
  		if (getBuffer(installationID) != null)
  			throw new KNXIllegalArgumentException("buffer \"" + installationID
  				+ "\" already exists");
  		final NetworkBuffer b = new NetworkBuffer(validateInstID(installationID));
  		buffers.add(b);
  		logger.info("created network buffer \"" + installationID + "\"");
  		return b;
  	}