   ignored
   handle_cmd
   handle_module
-  handle_renderable
   handle_using_extension
   handle_any_object
 ]

    @help object
    true

handle_renderable = (object) ->
  if is_renderable object
    @add_renderable object
    true

handle_using_extension = (object) ->
  handlers = collect_extension_points @, 'context_result_handler'
  context = @

display_object = (ctx, object) ->
  for handler in result_handlers
    return if handler.call ctx, object

collect_extension_points = (context, extension_point) ->
  modules.collect_extension_points context.modules, extension_point
