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