           o._lead_render = -> nested_context.apply_to fn
         o
 
-      create_nested_renderable_context: ->
-        component = component_list()
-        @create_nested_context
-          renderable_list_builder: component
-
       create_nested_context: (overrides) ->
         nested_context = _.extend create_new_run_context(@), overrides
 
       detached:  (fn, args) ->
-        nested_context = @create_nested_renderable_context()
+        nested_context = create_nested_renderable_context @
         nested_context.apply_to fn, args
         nested_context.renderable_list_builder
-
-      # creates a nested context, adds it to the renderable list, and applies the function to it
-      nested_item: (fn, args...) ->
-        nested_context = @create_nested_renderable_context()
-        @add_component nested_context.renderable_list_builder
-        nested_context.apply_to fn, args
-
-      display_object: (object) ->
-        for handler in result_handlers
-          return if handler.call @, object
 
       value: (value) -> _lead_context_fn_value: value
 

  handle_any_object = (object) ->
    @object object
    true


  collect_extension_points = (context, extension_point) ->

    else
      renderable_component {renderable}

  create_nested_renderable_context = (ctx) ->
    component = component_list()
    ctx.create_nested_context
      renderable_list_builder: component

  # creates a nested context, adds it to the renderable list, and applies the function to it
  nested_item = (ctx, fn, args...) ->
    nested_context = create_nested_renderable_context ctx
    ctx.add_component nested_context.renderable_list_builder
    nested_context.apply_to fn, args

  create_run_context = (extra_contexts) ->
    asyncs = new Bacon.Bus

    run_context_prototype = _.extend {}, extra_contexts...,
