docs: private void sendLayoutMessage(final String msg) {
        if (sqw != null) {
            String packet = msg;
            String hdr = getPacketHeader(new Date().getTime());
            if(facilityPrinting || hdr.length() > 0) {
                StringBuffer buf = new StringBuffer(hdr);
                if(facilityPrinting) {
                    buf.append(facilityStr);
                }
                buf.append(msg);
                packet = buf.toString();
            }
            sqw.setLevel(6);
            sqw.write(packet);
        }
    }