Javadoc
Informs all listeners of added, changedBits and deletedBits changes.
Order of
EntitySubscription.SubscriptionListener can vary
(typically ordinal, except for subscriptions created in process,
initialize instead of setWorld).
com.artemis.EntitySubscription.SubscriptionListener#inserted(IntBag)com.artemis.EntitySubscription.SubscriptionListener#removed(IntBag)