@Nullable
  private static String getReturnedLiteral(PsiMethod method, PsiClass cls) {
    final UExpression expression = PsiUtil.getReturnedExpression(method);
    if (expression == null) return null;

    if (expression instanceof UReferenceExpression) {
      final String methodName = ((UReferenceExpression)expression).getResolvedName();
      if ("getSimpleName".equals(methodName)) {
        return cls.getName();
      }
    }

    return UastUtils.evaluateString(expression);
  }
@Nullable
  private static String getReturnedLiteral(PsiMethod method, PsiClass cls)