docs: private void pingNotifiableEventListenerInternal(Object object, String topic, Registration registration, boolean register) {
          if (!(object instanceof NotifiableEventListener)) {
              return;
          }
  
          NotifiableEventListener listener = ((NotifiableEventListener) object);
          if (register) {
              listener.onRegister(service, serviceName, topic, registration);
          } else {
              listener.onDeregister(service, serviceName, topic, registration);
          }
      }