class OpsListener implements DOMRpcAvailabilityListener, DOMActionAvailabilityExtension.AvailabilityListener {

    @Override
    public void onActionsChanged(final Set<DOMActionInstance> removed, final Set<DOMActionInstance> added) {
        LOG.debug("adding registration for [{}]", added);
        LOG.debug("removing registration for [{}]", removed);
        actionRegistry.tell(new ActionRegistry.Messages.UpdateActions(added, removed), ActorRef.noSender());
    }

      OpsListener(final ActorRef rpcRegistry, final ActorRef actionRegistry);

}