Statement block - Gen<None> - 29 - (0:0,0)
    Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (0:0,0) - Tokens:1
        SyntaxKind.Transition;[@];
    Code span - Gen<Stmt> - [while(true) {] - SpanEditHandler;Accepts:Any - (1:0,1) - Tokens:6
        SyntaxKind.Keyword;[while];
        SyntaxKind.LeftParenthesis;[(];
        SyntaxKind.Keyword;[true];
        SyntaxKind.RightParenthesis;[)];
        SyntaxKind.Whitespace;[ ];
        SyntaxKind.LeftBrace;[{];
    Markup block - Gen<None> - 14 - (14:0,14)
        Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:Any - (14:0,14) - Tokens:1
            SyntaxKind.Whitespace;[ ];
        Tag block - Gen<None> - 3 - (15:0,15)
            Markup span - Gen<Markup> - [<p>] - SpanEditHandler;Accepts:None - (15:0,15) - Tokens:3
                SyntaxKind.OpenAngle;[<];
                SyntaxKind.Text;[p];
                SyntaxKind.CloseAngle;[>];
        Markup span - Gen<Markup> - [Hello] - SpanEditHandler;Accepts:Any - (18:0,18) - Tokens:1
            SyntaxKind.Text;[Hello];
        Tag block - Gen<None> - 4 - (23:0,23)
            Markup span - Gen<Markup> - [</p>] - SpanEditHandler;Accepts:None - (23:0,23) - Tokens:4
                SyntaxKind.OpenAngle;[<];
                SyntaxKind.ForwardSlash;[/];
                SyntaxKind.Text;[p];
                SyntaxKind.CloseAngle;[>];
        Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:None - (27:0,27) - Tokens:1
            SyntaxKind.Whitespace;[ ];
    Code span - Gen<Stmt> - [}] - SpanEditHandler;Accepts:None - (28:0,28) - Tokens:1
        SyntaxKind.RightBrace;[}];
