CSharpCodeBlock - [0..9)::9 - [namespace]
    RazorDirective - [0..9)::9
        CSharpTransition - [0..0)::0 - Gen<None> - SpanEditHandler;Accepts:None
            Transition;[<Missing>];
        RazorDirectiveBody - [0..9)::9
            RazorMetaCode - [0..9)::9 - Gen<None> - SpanEditHandler;Accepts:None
                Keyword;[namespace];
