public override IAnalysisSet GetStaticDescriptor(AnalysisUnit unit)
        {
            if (_original == null)
            {
                return(this);
            }

            var res = _original.GetStaticDescriptor(unit);

            if (res == _original)
            {
                return(this);
            }
            // TODO: We should support wrapping these up and producing another SpecializedNamespace
            return(res);
        }