RazorDocument - [0..20)::20 - [@using          LFLF]
    MarkupBlock - [0..20)::20
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..18)::18
            CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                Transition;[@];
            CSharpStatementLiteral - [1..18)::17 - [using          LF] - Gen<Stmt> - SpanEditHandler;Accepts:Any
                Keyword;[using];
                Whitespace;[          ];
                NewLine;[LF];
        MarkupTextLiteral - [18..20)::2 - [LF] - Gen<Markup> - SpanEditHandler;Accepts:Any
            NewLine;[LF];
