RazorDocument - [0..18)::18 - [@using Foo.Bar.Baz]
    MarkupBlock - [0..18)::18
        MarkupTextLiteral - [0..0)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
        CSharpCodeBlock - [0..18)::18
            RazorUsingDirective - [0..18)::18
                CSharpTransition - [0..1)::1 - Gen<None> - SpanEditHandler;Accepts:None
                    Transition;[@];
                RazorDirectiveBody - [1..18)::17
                    CSharpStatementLiteral - [1..18)::17 - [using Foo.Bar.Baz] - Gen<Import: Foo.Bar.Baz;> - SpanEditHandler;Accepts:AnyExceptNewline
                        Keyword;[using];
                        Whitespace;[ ];
                        Identifier;[Foo];
                        Dot;[.];
                        Identifier;[Bar];
                        Dot;[.];
                        Identifier;[Baz];
        MarkupTextLiteral - [18..18)::0 - [] - Gen<Markup> - SpanEditHandler;Accepts:Any
            Marker;[];
    EndOfFile;[];
