efl/src/lib/elementary/efl_ui_layout_part_bg.eo

class Efl.Ui.Layout_Part_Bg extends Efl.Ui.Widget_Part_Bg
{
   [[Elementary layout internal part background class

     @since 1.23
   ]]
   data: null;
   implements {
      Efl.Object.finalize;
   }
}