Method AddCancel

library/cpp/neh/netliba.cpp:409–414

                }

                void AddCancel(const TGUID& guid) override {
                    UpdateInProcess();
                    TStatesInProcessRequests::iterator ustate = InProcess_.find(guid);
                    if (ustate != InProcess_.end())
                        ustate->second->Canceled = true;
                }

                void AddRequestAck(const TGUID&) override {
                    Y_ABORT("unexpected acc in neh netliba server");