Function GetFreePortsRange

library/cpp/testing/common/network.cpp:236–238

            return Singleton<TPortManager>()->GetPort(port);
        }
        TVector<TPortHolder> GetFreePortsRange(size_t count) {
            return Singleton<TPortManager>()->GetFreePortsRange(count);
        }
    }

    IOutputStream& operator<<(IOutputStream& out, const TPortHolder& port) {