private void processListeners(@NotNull RegistrationEntry.RegistrationType listenerType,
                                @NotNull List<? extends Listeners> listenerContainer) {
    processElements(listenerType,
                    listenerContainer,
                    Listeners::getListeners,
                    Listeners.Listener::getListenerClassName
    );
    processElements(RegistrationEntry.RegistrationType.LISTENER_TOPIC,
                    listenerContainer,
                    Listeners::getListeners,
                    Listeners.Listener::getTopicClassName);
  }
private void processListeners(@NotNull RegistrationEntry.RegistrationType listenerType,
                                @NotNull List<? extends Listeners> listenerContainer)