code: private void initSerialOptionsPanel() {
  
          m_serialOptionsPanel.setLegend(Messages.get().key(Messages.GUI_SERIALDATE_PANEL_SERIAL_OPTIONS_0));
          m_serialOptionsPanel.addCloseHandler(this);
          setSerialOptionsVisible(false);
          initDurationPanel();
          initExceptionsPanel();
          initManagementPart();
      }
docs: Initialize elements from the serial options panel (and all sub-panels).