@SafeVarargs private static <U extends AbstractElement.Update, T extends AbstractElement<?, U>> void install( Inventory inventory, Set<Subscription> subscriptions, Class<T> entityClass, MessageSender sender, Action<?, T>... additionalActions) { installAction(inventory, subscriptions, entityClass, sender, Action.created()); installAction(inventory, subscriptions, entityClass, sender, Action.updated()); installAction(inventory, subscriptions, entityClass, sender, Action.deleted()); for (Action<?, T> a : additionalActions) { installAction(inventory, subscriptions, entityClass, sender, a); } }