@Override
    @SuppressWarnings("unchecked")
    public Subscriber getSubscriber(Set<? extends ConfigKey<?>> configKeys, String name) {
        return new StandaloneSubscriber((Set<ConfigKey<ConfigInstance>>) configKeys);
    }
@author Tony Vaagenes
@author gjoranv
@author ollivir
standalone-container/src/main/java/com/yahoo/container/standalone/StandaloneSubscriberFactory.java