protected JComponent createCenterPanel() {
    JPanel panel = new JPanel(new GridBagLayout());
    GridBagConstraints gbConstraints = new GridBagConstraints();
    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
    gbConstraints.weightx = 1;
    gbConstraints.weighty = 0;
    gbConstraints.gridwidth = 1;
    gbConstraints.gridx = 0;
    gbConstraints.gridy = 0;
    gbConstraints.insets = JBUI.emptyInsets();

    if (myOccurrencesCount > 1) {
      myCbReplaceAll = new NonFocusableCheckBox();
      myCbReplaceAll.setText(
          RefactoringBundle.message("replace.all.occurences", myOccurrencesCount));

      panel.add(myCbReplaceAll, gbConstraints);
      myReplaceAllListener =
          new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
              updateControls();
            }
          };
      myCbReplaceAll.addItemListener(myReplaceAllListener);

      if (myAnyLValueOccurences) {
        myCbReplaceWrite = new StateRestoringCheckBox();
        myCbReplaceWrite.setText(RefactoringBundle.message("replace.write.access.occurrences"));
        gbConstraints.insets = JBUI.insetsLeft(8);
        gbConstraints.gridy++;
        panel.add(myCbReplaceWrite, gbConstraints);
        myCbReplaceWrite.addItemListener(myReplaceAllListener);
      }
    }

    myCbFinal = new NonFocusableCheckBox();
    myCbFinal.setText(RefactoringBundle.message("declare.final"));
    final Boolean createFinals =
        JavaRefactoringSettings.getInstance().INTRODUCE_LOCAL_CREATE_FINALS;
    myCbFinalState =
        createFinals == null
            ? CodeStyleSettingsManager.getSettings(myProject).GENERATE_FINAL_LOCALS
            : createFinals.booleanValue();

    gbConstraints.insets = JBUI.emptyInsets();
    gbConstraints.gridy++;
    panel.add(myCbFinal, gbConstraints);
    myFinalListener =
        new ItemListener() {
          public void itemStateChanged(ItemEvent e) {
            if (myCbFinal.isEnabled()) {
              myCbFinalState = myCbFinal.isSelected();
            }
          }
        };
    myCbFinal.addItemListener(myFinalListener);

    updateControls();

    return panel;
  }