com.hazelcast.core
Interfaces 
AtomicNumber
Client
ClientListener
ClientService
Cluster
EntryListener
ExecutionCallback
HazelcastInstance
HazelcastInstanceAware
ICollection
ICountDownLatch
IdGenerator
IList
ILock
IMap
Instance
InstanceListener
IQueue
ISemaphore
ISet
ItemListener
ITopic
LifecycleListener
LifecycleService
ManagedContext
MapEntry
MapLoader
MapLoaderLifecycleSupport
MapStore
MapStoreFactory
Member
MembershipListener
MessageListener
MultiMap
PartitionAware
SemaphoreFactory
Transaction
Classes 
DistributedTask
DistributedTask.DistributedRunnableAdapterImpl
EntryAdapter
EntryEvent
Hazelcast
HazelcastInstanceAwareObject
InstanceEvent
ItemEvent
LifecycleEvent
MembershipEvent
Message
MultiTask
OutOfMemoryHandler
Prefix
Enums 
ClientType
EntryEventType
Instance.InstanceType
InstanceEvent.InstanceEventType
ItemEventType
LifecycleEvent.LifecycleState
Exceptions 
DuplicateInstanceNameException
HazelcastException
InstanceDestroyedException
MemberLeftException
OperationRejectedException
OperationTimeoutException
RuntimeInterruptedException