StatelessSagaDispatcher
constructor(name: String, parallelism: Int = MessageParallelism.DEFAULT_PARALLELISM, domainEventBus: DomainEventBus, stateEventBus: StateEventBus, functionRegistrar: StatelessSagaFunctionRegistrar, eventHandler: StatelessSagaHandler, schedulerSupplier: AggregateSchedulerSupplier = DefaultAggregateSchedulerSupplier("SagaDispatcher"))