Statement block - Gen<None> - 28 - (0:0,0)
    MetaCode span - Gen<None> - [{] - SpanEditHandler;Accepts:None - (0:0,0) - Tokens:1
        CSharpTokenType.LeftBrace;[{];
    Code span - Gen<Stmt> - [  ] - AutoCompleteEditHandler;Accepts:Any,AutoComplete:[<null>];AtEOL - (1:0,1) - Tokens:1
        CSharpTokenType.WhiteSpace;[  ];
    Directive block - Gen<None> - 22 - (3:0,3)
        Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (3:0,3) - Tokens:1
            CSharpTokenType.Transition;[@];
        MetaCode span - Gen<None> - [addTagHelper] - SpanEditHandler;Accepts:None - (4:0,4) - Tokens:1
            CSharpTokenType.Identifier;[addTagHelper];
        Markup span - Gen<None> - [ ] - SpanEditHandler;Accepts:None - (16:0,16) - Tokens:1
            CSharpTokenType.WhiteSpace;[ ];
        Code span - Gen<AddTagHelper:{"*, Foo";*, Foo;*;Foo} [RZ2005(4:0,4 [12] )]> - ["*, Foo"] - SpanEditHandler;Accepts:AnyExceptNewline - (17:0,17) - Tokens:1
            CSharpTokenType.StringLiteral;["*, Foo"];
    Code span - Gen<Stmt> - [LF] - SpanEditHandler;Accepts:Any - (25:0,25) - Tokens:1
        CSharpTokenType.NewLine;[LF];
    MetaCode span - Gen<None> - [}] - SpanEditHandler;Accepts:None - (27:1,0) - Tokens:1
        CSharpTokenType.RightBrace;[}];
