Document - 
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        ClassDeclaration -  - public - TestFiles_IntegrationTests_ExtensibleDirectiveTest_NamespaceToken -  - 
            DesignTimeDirective - 
                DirectiveToken - (8:0,8 [20] NamespaceToken.cshtml) - System.Globalization
            CSharpStatement - 
                RazorIRToken -  - CSharp - private static System.Object __o = null;
            MethodDeclaration -  - public - async - System.Threading.Tasks.Task - ExecuteAsync
