Markup block - Gen<None> - 15 - (0:0,0)
    Tag block - Gen<TagHelper> - 15 - (0:0,0) - p - ptaghelper
        StartTagAndEndTag - <p class="@do {
        class - DoubleQuotes
            Markup block - Gen<None> - 5 - (10:0,10)
                Markup block - Gen<DynAttr:@(10:0,10)> - 5 - (10:0,10)
                    Statement block - Gen<None> - 5 - (10:0,10)
                        Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (10:0,10) - Tokens:1
                            CSharpTokenType.Transition;[@];
                        Code span - Gen<Stmt> - [do {] - SpanEditHandler;Accepts:Any - (11:0,11) - Tokens:3
                            CSharpTokenType.Keyword;[do];
                            CSharpTokenType.WhiteSpace;[ ];
                            CSharpTokenType.LeftBrace;[{];
