com.opensymphony.xwork.util
Classes 
CompoundRoot
CompoundRootAccessor
InstantiatingNullHandler
LocalizedTextUtil
OgnlUtil
OgnlValueStack
TextParseUtil
XWorkBasicConverter
XWorkConverter
XWorkEnumerationAcccessor
XWorkIteratorPropertyAccessor
XWorkList
XWorkMap
XWorkMethodAccessor
Exceptions 
TypeConversionException