 :             public cc::ellen_bintree::make_set_traits<                 cc::ellen_bintree::key_extractor< typename Value::key_extractor >                 ,cc::opt::less< std::less<Value> >                 ,co::stat< cc::ellen_bintree::stat<> >             >::type         {};         typedef details::EllenBinTreePQueue< cds::gc::HP, typename Value::key_type, Value, traits_EllenBinTree_max > EllenBinTree_HP_max;         typedef details::EllenBinTreePQueue< cds::gc::DHP, typename Value::key_type, Value, traits_EllenBinTree_max > EllenBinTree_