RazorDocument - [0..28)::28 - [{  @addTagHelper "*, Foo"LF}]
    MarkupBlock - [0..28)::28
        MarkupTextLiteral - [0..3)::3 - [{  ] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[{];
            Whitespace;[  ];
        CSharpCodeBlock - [3..27)::24
            RazorDirective - [3..27)::24
                CSharpTransition - [3..4)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                RazorDirectiveBody - [4..27)::23
                    RazorMetaCode - [4..16)::12 - Gen<None> - SpanEditHandler;Accepts:None
                        Identifier;[addTagHelper];
                    CSharpCodeBlock - [16..27)::11
                        MarkupTextLiteral - [16..17)::1 - [ ] - Gen<None> - SpanEditHandler;Accepts:None
                            Whitespace;[ ];
                        CSharpStatementLiteral - [17..27)::10 - ["*, Foo"LF] - Gen<AddTagHelper:{"*, Foo";*, Foo;*;Foo} [RZ2005(4:0,4 [12] )]> - SpanEditHandler;Accepts:AnyExceptNewline
                            StringLiteral;["*, Foo"];
                            NewLine;[LF];
        MarkupTextLiteral - [27..28)::1 - [}] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Text;[}];
