com.opensymphony.xwork2.inject.util
Interfaces 
FinalizableReference
Function
ReferenceMap.InternalReference
ReferenceMap.Strategy
Classes 
FinalizablePhantomReference
FinalizableReferenceQueue
FinalizableSoftReference
FinalizableWeakReference
ReferenceCache
ReferenceMap
ReferenceMap.KeyReferenceAwareWrapper
ReferenceMap.ReferenceAwareWrapper
Strings
Enums 
ReferenceMap.PutStrategy
ReferenceType