NetworkIBModel(const NetworkIBModel&) = delete;
NetworkIBModel& operator=(const NetworkIBModel&) = delete;
void updateIBfactors(NetworkAction* action, IBNode* from, IBNode* to, int remove) const;
NetworkIBModel(const NetworkIBModel&) = delete;
NetworkIBModel& operator=(const NetworkIBModel&) = delete;
void updateIBfactors(NetworkAction* action, IBNode* from, IBNode* to, int remove) const;