//public override void VisitParenthesizedVariableDesignation(ParenthesizedVariableDesignationSyntax node)
        //{
        //    base.VisitParenthesizedVariableDesignation(node);
        //}

        //public override void VisitPointerType(PointerTypeSyntax node)
        //{
        //    base.VisitPointerType(node);
        //}

        //public override void VisitPostfixUnaryExpression(PostfixUnaryExpressionSyntax node)
        //{
        //    base.VisitPostfixUnaryExpression(node);
        //}

        public override void VisitPragmaChecksumDirectiveTrivia(PragmaChecksumDirectiveTriviaSyntax node)
        {
            Debug.Fail(node.ToString());
            base.VisitPragmaChecksumDirectiveTrivia(node);
        }