efl/src/lib/elementary/elm_fileselector_entry_internal_part.eo

class Elm.Fileselector.Entry.Internal.Part (Elm.Layout.Internal.Part)
{
   data: null;
   implements {
      Efl.Container.content.set;
      Efl.Container.content.get;
      Efl.Container.content_unset;
   }
}