public override void VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression)
        {
            base.VisitParenthesizedExpression(parenthesizedExpression);

            if (parenthesizedExpression.Expression is PrimitiveExpression)
                parenthesizedExpression.ReplaceWith(parenthesizedExpression.Expression);
        }