groovy.util
Interfaces 
IFileNameFinder
ResourceConnector
Classes 
AllTestSuite
AntBuilder
BuilderSupport
CharsetToolkit
ClosureComparator
Eval
Expando
GroovyLog
GroovyMBean
GroovyScriptEngine
GroovyTestCase
GroovyTestSuite
IndentPrinter
MapEntry
Node
NodeBuilder
NodeList
NodePrinter
OrderBy
Proxy
XmlNodePrinter
XmlParser
XmlSlurper
Exceptions 
ResourceException
ScriptException