protected void handleCasRegisteredServiceDeletedEvent(final RegisteredService service, final ApplicationEvent event,
                                                          final PublisherIdentifier publisherId) {
    }
Handle cas registered service deleted event.

@param service     the service
@param event       the event
@param publisherId the publisher id
support/cas-server-support-service-registry-stream/src/main/java/org/apereo/cas/services/publisher/BaseCasRegisteredServiceStreamPublisher.java