@Override
  protected JComponent createCenterPanel() {
    JScrollPane scrollPane = ScrollPaneFactory.createScrollPane(myTree);
    scrollPane.setBorder(IdeBorderFactory.createBorder(SideBorder.LEFT));
    myCenterPanel.add(CARD_STATUS, scrollPane);
    myTreeBrowser = new CommittedChangesTreeBrowser(myProject, Collections.emptyList());
    Disposer.register(this, myTreeBrowser);
    myTreeBrowser.setHelpId(getHelpId());
    myCenterPanel.add(CARD_CHANGES, myTreeBrowser);
    return myCenterPanel;
  }
@Override
  protected JComponent createCenterPanel()