 	# 	get: -> throw Error("You likely want to use content.draggable")
 
 	@define "content",
+		importable: false
+		exportable: false
 		get: -> @_content
 
 	@define "mouseWheelSpeedMultiplier", @simpleProperty("mouseWheelSpeedMultiplier", 1, true, _.isNumber)


Events.ScrollStart = "scrollstart"
Events.Scroll = "scroll"
Events.ScrollEnd = "scrollend"

EventMappers = {}

		@emit(Events.ScrollEnd, event)
		@_mouseWheelScrolling = false

	##############################################################
	# Copying

	copy: ->
		copy = super
		contentLayer = _.first(_.without(copy.subLayers, copy.content))
		copy.setContentLayer(contentLayer)
		copy.props = @props
		return copy


	##############################################################
	# Convenience function to make a single layer scrollable
