@NotNull
  @Override
  public JComponent createComponent() {
    if (null == myInnerPostfixDescriptionPanel) {
      myInnerPostfixDescriptionPanel = new PostfixDescriptionPanel();
      myUi.getDescriptionPanel().add(myInnerPostfixDescriptionPanel.getComponent());
    }
    if (null == myCheckboxTree) {
      createTree();
    }

    return myUi.getPanel();
  }
@NotNull
  @Override
  public JComponent createComponent()