@Scheduled(
        cron = "${cas.service-registry.schedule.cron-expression:}",
        zone = "${cas.service-registry.schedule.cron-time-zone:}",
        initialDelayString = "${cas.service-registry.schedule.start-delay:PT20S}",
        fixedDelayString = "${cas.service-registry.schedule.repeat-interval:PT60S}"
    )
    @Override
    public void run() {
        servicesManager.load();
    }
No op runnable.

@return the runnable
core/cas-server-core-services-registry/src/main/java/org/apereo/cas/services/ServicesManagerScheduledLoader.java