groovy.transform
Interfaces 
CompilationUnitAware
Enums 
AutoCloneStyle
PackageScopeTarget
TypeCheckingMode
Annotation Types 
ASTTest
AutoClone
AutoExternalize
Canonical
CompileStatic
ConditionalInterrupt
EqualsAndHashCode
Field
Immutable
IndexedProperty
InheritConstructors
PackageScope
Synchronized
ThreadInterrupt
TimedInterrupt
ToString
TupleConstructor
TypeChecked
TypeChecked.TypeCheckingInfo
WithReadLock
WithWriteLock