org.hibernate
Interfaces 
Criteria
Filter
Interceptor
Query
ScrollableResults
Session
SessionFactory
SQLQuery
Transaction
Classes 
CacheMode
ConnectionReleaseMode
EmptyInterceptor
EntityMode
FetchMode
FlushMode
Hibernate
LockMode
ReplicationMode
ScrollMode
Exceptions 
AssertionFailure
CallbackException
HibernateException
InstantiationException
JDBCException
LazyInitializationException
MappingException
NonUniqueObjectException
NonUniqueResultException
ObjectDeletedException
ObjectNotFoundException
PersistentObjectException
PropertyAccessException
PropertyNotFoundException
PropertyValueException
QueryException
SessionException
StaleObjectStateException
StaleStateException
TransactionException
TransientObjectException
UnresolvableObjectException
WrongClassException