protected void AddSaga <TS, TD, TM>(IBusConfigurator cfg, Func <TM, TD> stateFactory)
where TD : SagaState
where TS : Saga <TD>
where TM : IMessage
{
var sagaCfg = cfg.AddSaga <TS, TD>()
.UseStateFactory(stateFactory);
ConfigureSagaTransport(sagaCfg);
}