/*!
* Mixin namespace.
*/
/**
* Namespace for OOjs UI mixins.
*
* Mixins are named according to the type of object they are intended to
* be mixed in to. For example, OO.ui.mixin.GroupElement is intended to be
* mixed in to an instance of OO.ui.Element, and OO.ui.mixin.GroupWidget
* is intended to be mixed in to an instance of OO.ui.Widget.
*
* @class
* @singleton
*/
OO.ui.mixin = {};