org.eclipse.gef
Interfaces 
AccessibleAnchorProvider
AccessibleHandleProvider
AutoexposeHelper
ConnectionEditPart
Disposable
DragTracker
EditPart
EditPartFactory
EditPartListener
EditPartViewer
EditPartViewer.Conditional
EditPolicy
ExposeHelper
GraphicalEditPart
GraphicalViewer
Handle
LayerConstants
MouseWheelHandler
MouseWheelHelper
NodeEditPart
NodeListener
RequestConstants
RootEditPart
Tool
TreeEditPart
Classes 
AccessibleEditPart
AutoexposeHelper.Search
CompoundSnapToHelper
ContextMenuProvider
DefaultEditDomain
EditDomain
EditPartListener.Stub
GEF
GEFPlugin
KeyHandler
KeyStroke
MouseWheelHandler.KeyGenerator
MouseWheelZoomHandler
Request
SharedCursors
SharedImages
SharedMessages
SnapToGeometry
SnapToGeometry.Entry
SnapToGrid
SnapToGuides
SnapToHelper