Statement block - Gen<None> - 16 - (0:0,0)
    MetaCode span - Gen<None> - [{] - SpanEditHandler;Accepts:None - (0:0,0) - Tokens:1
        SyntaxKind.LeftBrace;[{];
    Code span - Gen<Stmt> - [LF    ] - AutoCompleteEditHandler;Accepts:Any,AutoComplete:[<null>];AtEOL - (1:0,1) - Tokens:2
        SyntaxKind.NewLine;[LF];
        SyntaxKind.Whitespace;[    ];
    Expression block - Gen<Expr> - 1 - (7:1,4)
        Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (7:1,4) - Tokens:1
            SyntaxKind.Transition;[@];
        Code span - Gen<Expr> - [] - ImplicitExpressionEditHandler;Accepts:NonWhitespace;ImplicitExpression[ATD];K14 - (8:1,5) - Tokens:1
            SyntaxKind.Unknown;[];
    Code span - Gen<Stmt> - [   {}LF] - SpanEditHandler;Accepts:Any - (8:1,5) - Tokens:4
        SyntaxKind.Whitespace;[   ];
        SyntaxKind.LeftBrace;[{];
        SyntaxKind.RightBrace;[}];
        SyntaxKind.NewLine;[LF];
    MetaCode span - Gen<None> - [}] - SpanEditHandler;Accepts:None - (15:2,0) - Tokens:1
        SyntaxKind.RightBrace;[}];
