code: @Bean
  	@ConditionalOnMissingBean(value = BulkheadEvent.class, parameterizedContainer = EventConsumerRegistry.class)
  	public EventConsumerRegistry<BulkheadEvent> bulkheadEventConsumerRegistry() {
  		return bulkheadConfiguration.bulkheadEventConsumerRegistry();
  	}
docs: The EventConsumerRegistry is used to manage EventConsumer instances.
  The EventConsumerRegistry is used by the BulkheadHealthIndicator to show the latest Bulkhead events
  for each Bulkhead instance.
  
  @return a default EventConsumerRegistry {@link DefaultEventConsumerRegistry}