public void VisitParenthesizedExpression(ParenthesizedExpressionSyntax node)
{
if (node == null)
throw new ArgumentNullException("node");
node.Validate();
ExpressionStart(node);
_writer.WriteSyntax(Syntax.OpenParen);
if (_writer.Configuration.Spaces.WithinParentheses.Parentheses)
_writer.WriteSpace();
node.Expression.Accept(this);
if (_writer.Configuration.Spaces.WithinParentheses.Parentheses)
_writer.WriteSpace();
_writer.WriteSyntax(Syntax.CloseParen);
ExpressionEnd(node);
}