private void addChangeLibraryLevelAction(DefaultActionGroup actionGroup, String tableLevel) {
    final LibraryTablePresentation presentation = LibraryEditingUtil.getLibraryTablePresentation(getProject(), tableLevel);
    actionGroup.add(new ChangeLibraryLevelInClasspathAction(this, presentation.getDisplayName(true), tableLevel));
  }
private void addChangeLibraryLevelAction(DefaultActionGroup actionGroup, String tableLevel)