com.thoughtworks.xstream.core
Interfaces 
Caching
ReferenceByIdMarshaller.IDGenerator
ReferencingMarshallingContext
Classes 
AbstractReferenceMarshaller
AbstractReferenceUnmarshaller
AbstractTreeMarshallingStrategy
DefaultConverterLookup
JVM
MapBackedDataHolder
ReferenceByIdMarshaller
ReferenceByIdMarshallingStrategy
ReferenceByIdUnmarshaller
ReferenceByXPathMarshaller
ReferenceByXPathMarshallingStrategy
ReferenceByXPathUnmarshaller
SequenceGenerator
TreeMarshaller
TreeMarshallingStrategy
TreeUnmarshaller
Exceptions 
AbstractReferenceMarshaller.ReferencedImplicitElementException
BaseException
TreeMarshaller.CircularReferenceException