struct IHostMigrationEventListener {
  enum EHostMigrationReturn {
    Listener_Done,
    Listener_Wait,
    Listener_Terminate
  };
};

INetwork.h

enum EHostMigrationReturn {
  Listener_Done,
  Listener_Wait,
  Listener_Terminate
};

INetwork.h

virtual ~IHostMigrationEventListener();

virtual void OnComplete(SHostMigrationInfo& hostMigrationInfo) = 0;

virtual EHostMigrationReturn OnDemoteToClient(SHostMigrationInfo& hostMigrationInfo, HMStateType& state) = 0;

virtual EHostMigrationReturn OnDisconnectClient(SHostMigrationInfo& hostMigrationInfo, HMStateType& state) = 0;

virtual EHostMigrationReturn OnFinalise(SHostMigrationInfo& hostMigrationInfo, HMStateType& state) = 0;

virtual EHostMigrationReturn OnInitiate(SHostMigrationInfo& hostMigrationInfo, HMStateType& state) = 0;

virtual EHostMigrationReturn OnPromoteToServer(SHostMigrationInfo& hostMigrationInfo, HMStateType& state) = 0;

virtual EHostMigrationReturn OnReconnectClient(SHostMigrationInfo& hostMigrationInfo, HMStateType& state) = 0;

virtual EHostMigrationReturn OnReset(SHostMigrationInfo& hostMigrationInfo, HMStateType& state) = 0;

virtual EHostMigrationReturn OnTerminate(SHostMigrationInfo& hostMigrationInfo, HMStateType& state) = 0;