 :             public cc::ellen_bintree::make_set_traits<                 cc::ellen_bintree::key_extractor< typename Value::key_extractor >                 ,cc::opt::less< std::greater<Value> >             >::type         {};         typedef details::EllenBinTreePQueue< cds::gc::HP, typename Value::key_type, Value, traits_EllenBinTree_min, false > EllenBinTree_HP_min;         typedef details::EllenBinTreePQueue< cds::gc::DHP, typename Value::key_type, Value, traits_EllenBinTree_min, false > EllenBinTree_