public TypeDatabase Import()
        {
            aggregator.Aggregate();

            ImportClassesOrStructsOrProtocols(aggregator.PublicClasses);
            ImportClassesOrStructsOrProtocols(aggregator.PublicStructs);
            ImportClassesOrStructsOrProtocols(aggregator.PublicProtocols);
            ImportEnums(aggregator.PublicEnums);

            ImportMembers();
            return(database);
        }