ProjectionDispatcher
constructor(name: String, parallelism: Int = MessageParallelism.DEFAULT_PARALLELISM, domainEventBus: DomainEventBus, stateEventBus: StateEventBus, functionRegistrar: ProjectionFunctionRegistrar, eventHandler: ProjectionHandler, schedulerSupplier: AggregateSchedulerSupplier = DefaultAggregateSchedulerSupplier("ProjectionDispatcher"))