RazorDocument - [0..22)::22 - [@addTagHelper '*, Foo']
    MarkupBlock - [0..22)::22
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..22)::22
            RazorDirective - [0..22)::22
                CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                RazorDirectiveBody - [1..22)::21
                    RazorMetaCode - [1..13)::12 - Gen<None> - SpanEditHandler;Accepts:None
                        Identifier;[addTagHelper];
                    CSharpCodeBlock - [13..22)::9
                        MarkupTextLiteral - [13..14)::1 - [ ] - Gen<None> - SpanEditHandler;Accepts:None
                            Whitespace;[ ];
                        CSharpStatementLiteral - [14..22)::8 - ['*, Foo'] - Gen<AddTagHelper:{'*, Foo';'*, Foo';;} [RZ1036(14:0,14 [8] )]> - SpanEditHandler;Accepts:AnyExceptNewline
                            CharacterLiteral;['*, Foo'];
        MarkupTextLiteral - [22..22)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
    EndOfFile;[];
