   # True if locked.
   # @return [bool] True if locked.
   locked:       -> @__kt.thingy.gets( 'locked' )
-
-  # Sort index for layering.
-  # @return [integer] Sort index for layering.
-  zindex:       -> @__kt.thingy.gets( 'zindex' )
 
   default_thingy_methods = [
     'redraw',


  # ZIndex
  # @return [Oghma.ZIndex] ZIndex participating in.
  zinder: -> @__kt.zindex

  # Thingy
  # @return [Oghma.Thingy] Thingy delegate for.

  remove: ( thingy ) ->
    @group().destroy()
    @draw_layer()
    @__kt.zindex.unregister( thingy )

  # Accessor methods.  Do not override.

