 
   # Public: Creates a new pane above the receiver.
   #
-  # params - An object with keys:
-  #   :items - An optional array of items with which to construct the new pane.
+  # * `params` {Object} with keys:
+  #   * `items` (optional) {Array} of items with which to construct the new pane.
   #
   # Returns the new {Pane}.
   splitUp: (params) ->


  # Public: Adds the item to the pane.
  #
  # item - The item to add. It can be a model with an associated view or a view.
  # index - An optional index at which to add the item. If omitted, the item is
  #         added after the current active item.
  #
  # Returns the added item
  addItem: (item, index=@getActiveItemIndex() + 1) ->


  # Public: Creates a new pane below the receiver.
  #
  # * `params` {Object} with keys:
  #   * `items` (optional) {Array} of items with which to construct the new pane.
  #
  # Returns the new {Pane}.
  splitDown: (params) ->
