public void initProviders(@Observes AfterDeploymentValidation afterValid, final BeanManager manager,
final CronQueueInstaller cronQueueInstaller, final CronSchedulingInstaller cronSchedInstaller) {
// init all service providers
log.debug("Initializing service providers");
// process queue observers if queue provider exists
final CronQueueProvider queueProvider = CdiUtils.getInstanceByType(manager, CronQueueProvider.class);
if (queueProvider != null) {
this.queueProvider = queueProvider;
handleLifecycleInit(queueProvider);
cronQueueInstaller.initProviderQueue(manager, queueProvider, allObservers);
}