GObject
├── GInitiallyUnowned
│ ╰── ClutterActor
│ ├── MetaBackgroundActor
│ ├── MetaShapedTexture
│ ╰── MetaWindowActor
├── MetaBackground
├── MetaBarrier
├── MetaDisplay
├── MetaPlugin
├── MetaScreen
├── MetaShadowFactory
├── MetaWindow
╰── MetaWorkspace
GInterface
╰── MetaCullable
GBoxed
├── MetaBarrierEvent
├── MetaKeyBinding
╰── MetaRectangle