Statement block - Gen<None> - 17 - (0:0,0)
    Code span - Gen<Stmt> - [using          LF] - SpanEditHandler;Accepts:Any - (0:0,0) - Symbols:3
        CSharpSymbolType.Keyword;[using];
        CSharpSymbolType.WhiteSpace;[          ];
        CSharpSymbolType.NewLine;[LF];
