@Override
  @Nullable
  protected JComponent createCenterPanel() {
    DefaultActionGroup group = createToolbarActions();
    group.add(Separator.getInstance());
    group.add(ActionManager.getInstance().getAction(ChangesTree.GROUP_BY_ACTION_GROUP));
    ActionToolbar toolbar = ActionManager.getInstance().createActionToolbar("VcsSelectFilesDialog", group, true);

    TreeActionsToolbarPanel toolbarPanel = new TreeActionsToolbarPanel(toolbar, getFileList());

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(toolbarPanel, BorderLayout.NORTH);
    panel.add(ScrollPaneFactory.createScrollPane(getFileList()), BorderLayout.CENTER);

    return panel;
  }
@Override
  @Nullable
  protected JComponent createCenterPanel()