Define the class of the item returned by this factory.
@property item_class { get {} set {} values { klass: const(Efl.Class); } }
const Efl_Class *efl_ui_widget_factory_item_class_get(const Eo *obj); void efl_ui_widget_factory_item_class_set(Eo *obj, const Efl_Class *klass);