RazorDocument - [0..26)::26 - [@using                    ]
    MarkupBlock - [0..26)::26
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..26)::26
            CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                Transition;[@];
            CSharpStatementLiteral - [1..26)::25 - [using                    ] - Gen<Stmt> - SpanEditHandler;Accepts:Any
                Keyword;[using];
                Whitespace;[                    ];
