=====================
CustomizableUI Module
=====================

The CustomizableUI module is responsible for managing the default and
customized state of various surfaces within the browser. At this time, this
includes surfaces like:

1. The navigation toolbar
2. The tabs toolbar (in horizontal tabs mode)
3. The bookmarks toolbar
4. The overflow panel
5. The menubar (on Linux and Windows)

.. js:autoclass:: CustomizableUI
  :members:
  :private-members:
