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