Method HasHostIds

library/cpp/par/par_mr.cpp:105–107

            return Parent->GetContextData(envId, hostId);
        }
        bool HasHostIds(const THashMap<int, bool>& hostIdSet) override {
            return Parent->HasHostIds(hostIdSet);
        }
        int GetHostIdCount() override {
            return Parent->GetHostIdCount();
        }