org.graffiti.util
Interfaces 
Callback
MultiLinkable
MutuallyReferable
ProgressViewer
VoidCallback
Classes 
BoolPair
ConcatCollection
ConcatIterator
CoreGraphEditing
GeneralUtils
GraphicHelper
InstanceLoader
LexicalPairComparator
MultiLinkedList
MultiLinkNode
MultipleIterator
MutuallyReferableObject
MutualWeakHashMap
ObjectReferenceComparator
Pair
PluginHelper
Queue
RedundantMultipleIterator
Reference
ReverseComparator
StringSplitter
WeakHashSet
Exceptions 
InstanceCreationException