org.jboss.messaging.core.contract
Interfaces 
Channel
ChannelFactory
ClusterNotificationListener
ClusterNotifier
Condition
ConditionFactory
Delivery
DeliveryObserver
Distributor
Filter
FilterFactory
MemoryManager
Message
MessageReference
MessageStore
MessagingComponent
PersistenceManager
PostOffice
Queue
Receiver
Replicator
Classes 
Binding
ClusterNotification
PersistenceManager.InitialLoadInfo
PersistenceManager.MessageChannelPair
PersistenceManager.ReferenceInfo