code: @Bean
      public AmqpMessageHandlerService amqpMessageHandlerService(final RabbitTemplate rabbitTemplate,
              final AmqpMessageDispatcherService amqpMessageDispatcherService,
              final ControllerManagement controllerManagement, final EntityFactory entityFactory) {
          return new AmqpMessageHandlerService(rabbitTemplate, amqpMessageDispatcherService, controllerManagement,
                  entityFactory);
      }
docs: Create AMQP handler service bean.
  
  @param rabbitTemplate
  for converting messages
  @param amqpMessageDispatcherService
  to sending events to DMF client
  @param controllerManagement
  for target repo access
  @param entityFactory
  to create entities
  
  @return handler service bean