code: public final void setGuaranteedSourceMessagingEngineUUID(SIBUuid8 value) {
      if (value != null)
        jmo.setField(ControlAccess.SOURCEMEUUID, value.toByteArray());
      else
        jmo.setField(ControlAccess.SOURCEMEUUID, null);
    }
docs: /*
  Set the source Messaging Engine that originated the message.
  
  Javadoc description supplied by CommonMessageHeaders interface.