code: public final SIBUuid8 getGuaranteedSourceMessagingEngineUUID() {
      byte[] b = (byte[])jmo.getField(ControlAccess.SOURCEMEUUID);
      if (b != null)
        return new SIBUuid8(b);
      return null;
    }
docs: /*
  Get the source Messaging Engine that originated the message.
  
  Javadoc description supplied by CommonMessageHeaders interface.