@Override
  @NotNull
  protected String buildErrorString(Object... infos) {
    final PsiClass superClass = (PsiClass)infos[0];
    final String superClassName = superClass.getName();
    return InspectionGadgetsBundle.message("class.extends.utility.class.problem.descriptor", superClassName);
  }
@Override
  @NotNull
  protected String buildErrorString(Object... infos)