org.hibernate.internal.util.collections
Interfaces 
BoundedConcurrentHashMap.EvictionListener
BoundedConcurrentHashMap.EvictionPolicy
Classes 
ArrayHelper
BoundedConcurrentHashMap
CollectionHelper
ConcurrentReferenceHashMap
EmptyIterator
IdentityMap
IdentityMap.IdentityKey
IdentityMap.IdentityMapEntry
IdentitySet
JoinedIterable
JoinedIterator
LazyIterator
SingletonIterator
Enums 
BoundedConcurrentHashMap.Eviction
ConcurrentReferenceHashMap.Option
ConcurrentReferenceHashMap.ReferenceType