Listener to be notified of changes within brooklyn, so that the new state of the entity/location/policy can be persisted.
Handler called on all exceptions to do with persistence.
Indicates that this can be recreated, e.g.
Gives access to things that are being currently rebinding.
Handler called on all exceptions to do with rebind.
Manages the persisting of brooklyn's state, and recreating that state, e.g.
|RebindSupport<T extends Memento>||
Supporter instance for behaviour related to rebinding a given entity/location/policy.