private void createTree() {
    myCheckboxTree = new PostfixTemplatesCheckboxTree() {
      @Override
      protected void selectionChanged() {
        myUpdateDescriptionPanelAlarm.cancelAllRequests();
        myUpdateDescriptionPanelAlarm.addRequest(() -> resetDescriptionPanel(), 100);
      }
    };


    JPanel panel = new JPanel(new BorderLayout());
    boolean canAddTemplate = ContainerUtil.find(getProviders(), p -> StringUtil.isNotEmpty(p.getPresentableName())) != null;

    panel.add(ToolbarDecorator.createDecorator(myCheckboxTree)
                              .setAddActionUpdater(e -> canAddTemplate)
                              .setAddAction(button -> myCheckboxTree.addTemplate(button))
                              .setAddIcon(LayeredIcon.ADD_WITH_DROPDOWN)
                              .setEditActionUpdater(e -> myCheckboxTree.canEditSelectedTemplate())
                              .setEditAction(button -> myCheckboxTree.editSelectedTemplate())
                              .setRemoveActionUpdater(e -> myCheckboxTree.canRemoveSelectedTemplates())
                              .setRemoveAction(button -> myCheckboxTree.removeSelectedTemplates())
                              .addExtraAction(duplicateAction())
                              .createPanel());

    myUi.getTemplatesTreeContainer().setLayout(new BorderLayout());
    myUi.getTemplatesTreeContainer().add(panel);
  }
private void createTree()