Markup block - Gen<None> - 131 - (0:0,0)
    Tag block - Gen<TagHelper> - 65 - (0:0,0) - p - ptaghelper
        StartTagAndEndTag - <p> ... </p>
        Statement block - Gen<None> - 58 - (3:0,3)
            Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (3:0,3) - Tokens:1
                SyntaxKind.Transition;[@];
            Code span - Gen<Stmt> - [do { var foo = bar;] - SpanEditHandler;Accepts:Any - (4:0,4) - Tokens:12
                SyntaxKind.Keyword;[do];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.LeftBrace;[{];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Identifier;[var];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Identifier;[foo];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Assign;[=];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Identifier;[bar];
                SyntaxKind.Semicolon;[;];
            Markup block - Gen<None> - 12 - (23:0,23)
                Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:Any - (23:0,23) - Tokens:1
                    SyntaxKind.Whitespace;[ ];
                Tag block - Gen<TagHelper> - 10 - (24:0,24) - p - ptaghelper
                    StartTagAndEndTag - <p> ... </p>
                    Markup span - Gen<Markup> - [Foo] - SpanEditHandler;Accepts:Any - (27:0,27) - Tokens:1
                        SyntaxKind.Text;[Foo];
                Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:None - (34:0,34) - Tokens:1
                    SyntaxKind.Whitespace;[ ];
            Code span - Gen<Stmt> - [foo++; } while (foo<bar>);] - SpanEditHandler;Accepts:None - (35:0,35) - Tokens:15
                SyntaxKind.Identifier;[foo];
                SyntaxKind.Increment;[++];
                SyntaxKind.Semicolon;[;];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.RightBrace;[}];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Keyword;[while];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.LeftParenthesis;[(];
                SyntaxKind.Identifier;[foo];
                SyntaxKind.LessThan;[<];
                SyntaxKind.Identifier;[bar];
                SyntaxKind.GreaterThan;[>];
                SyntaxKind.RightParenthesis;[)];
                SyntaxKind.Semicolon;[;];
    SyntaxKind.HtmlTextLiteral - [ ] - [65..66) - FullWidth: 1 - Slots: 1
        SyntaxKind.Whitespace;[ ];
    Tag block - Gen<TagHelper> - 65 - (66:0,66) - p - ptaghelper
        StartTagAndEndTag - <p> ... </p>
        Statement block - Gen<None> - 58 - (69:0,69)
            Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (69:0,69) - Tokens:1
                SyntaxKind.Transition;[@];
            Code span - Gen<Stmt> - [do { var foo = bar;] - SpanEditHandler;Accepts:Any - (70:0,70) - Tokens:12
                SyntaxKind.Keyword;[do];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.LeftBrace;[{];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Identifier;[var];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Identifier;[foo];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Assign;[=];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Identifier;[bar];
                SyntaxKind.Semicolon;[;];
            Markup block - Gen<None> - 12 - (89:0,89)
                Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:Any - (89:0,89) - Tokens:1
                    SyntaxKind.Whitespace;[ ];
                Tag block - Gen<TagHelper> - 10 - (90:0,90) - p - ptaghelper
                    StartTagAndEndTag - <p> ... </p>
                    Markup span - Gen<Markup> - [Foo] - SpanEditHandler;Accepts:Any - (93:0,93) - Tokens:1
                        SyntaxKind.Text;[Foo];
                Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:None - (100:0,100) - Tokens:1
                    SyntaxKind.Whitespace;[ ];
            Code span - Gen<Stmt> - [foo++; } while (foo<bar>);] - SpanEditHandler;Accepts:None - (101:0,101) - Tokens:15
                SyntaxKind.Identifier;[foo];
                SyntaxKind.Increment;[++];
                SyntaxKind.Semicolon;[;];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.RightBrace;[}];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.Keyword;[while];
                SyntaxKind.Whitespace;[ ];
                SyntaxKind.LeftParenthesis;[(];
                SyntaxKind.Identifier;[foo];
                SyntaxKind.LessThan;[<];
                SyntaxKind.Identifier;[bar];
                SyntaxKind.GreaterThan;[>];
                SyntaxKind.RightParenthesis;[)];
                SyntaxKind.Semicolon;[;];
