Markup block - Gen<None> - 19 - (0:0,0)
    Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (0:0,0) - Tokens:1
        SyntaxKind.Transition;[@];
    MetaCode span - Gen<None> - [:] - SpanEditHandler;Accepts:Any - (1:0,1) - Tokens:1
        SyntaxKind.Colon;[:];
    Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:Any - (2:0,2) - Tokens:1
        SyntaxKind.Whitespace;[ ];
    Statement block - Gen<None> - 14 - (3:0,3)
        Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (3:0,3) - Tokens:1
            SyntaxKind.Transition;[@];
        Code span - Gen<Stmt> - [if (true) { }] - SpanEditHandler;Accepts:Any - (4:0,4) - Tokens:9
            SyntaxKind.Keyword;[if];
            SyntaxKind.Whitespace;[ ];
            SyntaxKind.LeftParenthesis;[(];
            SyntaxKind.Keyword;[true];
            SyntaxKind.RightParenthesis;[)];
            SyntaxKind.Whitespace;[ ];
            SyntaxKind.LeftBrace;[{];
            SyntaxKind.Whitespace;[ ];
            SyntaxKind.RightBrace;[}];
    Markup span - Gen<Markup> - [LF] - SpanEditHandler;Accepts:None - (17:0,17) - Tokens:1
        SyntaxKind.NewLine;[LF];
