com.badlogic.gdx.scenes.scene2d.utils
Interfaces 
Cullable
Drawable
Layout
Classes 
ActorGestureListener
Align
BaseDrawable
ChangeListener
ChangeListener.ChangeEvent
ClickListener
DragAndDrop
DragAndDrop.Payload
DragAndDrop.Source
DragAndDrop.Target
DragListener
DragScrollListener
FocusListener
FocusListener.FocusEvent
NinePatchDrawable
ScissorStack
SpriteDrawable
TextureRegionDrawable
TiledDrawable
Enums 
FocusListener.FocusEvent.Type