Reference documentation has been completed for the
Uize.Widget.Collection widget class.
The Uize.Widget.Collection module defines the Uize.Widget.Collection
widget class, a subclass of Uize.Widget that implements a widget for
managing a collection of items, with support for managing selected
state of items (including non-contiguous selection, range selection,
and controls for selecting all, selecting none, and removing selected
items), and methods by which application code can manipulate the
collection.
http://www.uize.com/reference/Uize.Widget.Collection.html