private IEnumerable <CodeNamespace> GenerateCode() { var hierarchy = NamespaceHierarchyItem.Build(Namespaces.Values.GroupBy(x => x.Name).SelectMany(x => x)) .MarkAmbiguousNamespaceTypes(); return(hierarchy.Flatten() .Select(nhi => NamespaceModel.Generate(nhi.FullName, nhi.Models))); }