   # Public: Register a function to be called for every current and future
   # pane view in the workspace.
   #
-  # callback - A {Function} with a {PaneView} as its only argument.
+  # * `callback` A {Function} with a {PaneView} as its only argument.
+  #   * `paneView` {PaneView}
   #
   # Returns a subscription object with an `.off` method that you can call to
   # unregister the callback.

# the built-in `atom` module.
#
# ```coffee
#   {WorkspaceView} = require 'atom'
# ```
#
# You can assign it to the `atom.workspaceView` global in the spec or just use


  # Public: Prepend an element or view to the panels at the top of the
  # workspace.
  #
  # * `element` jQuery object or DOM element
  prependToTop: (element) ->
    @vertical.prepend(element)

  # Public: Append an element or view to the panels at the top of the workspace.
  #
  # * `element` jQuery object or DOM element
  appendToTop: (element) ->
    @panes.before(element)

  # Public: Prepend an element or view to the panels at the bottom of the
  # workspace.
  #
  # * `element` jQuery object or DOM element
  prependToBottom: (element) ->
    @panes.after(element)

  # Public: Append an element or view to the panels at the bottom of the
  # workspace.
  #
  # * `element` jQuery object or DOM element
  appendToBottom: (element) ->
    @vertical.append(element)

  # Public: Prepend an element or view to the panels at the left of the
  # workspace.
  #
  # * `element` jQuery object or DOM element
  prependToLeft: (element) ->
    @horizontal.prepend(element)

  # Public: Append an element or view to the panels at the left of the
  # workspace.
  #
  # * `element` jQuery object or DOM element
  appendToLeft: (element) ->
    @vertical.before(element)

  # Public: Prepend an element or view to the panels at the right of the
  # workspace.
  #
  # * `element` jQuery object or DOM element
  prependToRight: (element) ->
    @vertical.after(element)

  # Public: Append an element or view to the panels at the right of the
  # workspace.
  #
  # * `element` jQuery object or DOM element
  appendToRight: (element) ->
    @horizontal.append(element)

