Statement block - Gen<None> - 2 - (0:0,0)
    Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (0:0,0) - Tokens:1
        CSharpTokenType.Transition;[@];
    MetaCode span - Gen<None> - [{] - SpanEditHandler;Accepts:None - (1:0,1) - Tokens:1
        CSharpTokenType.LeftBrace;[{];
    Code span - Gen<Stmt> - [] - AutoCompleteEditHandler;Accepts:Any,AutoComplete:[}];AtEOL - (2:0,2) - Tokens:1
        CSharpTokenType.Unknown;[];
