([> Gtk.handle_box ] as 'a) Gtk.obj ->
object ('b)
val obj : 'a Gtk.obj
method add : callback:(GObj.widget -> unit) -> GtkSignal.id
method after : 'b
method child_attached : callback:(GObj.widget -> unit) -> GtkSignal.id
method child_detached : callback:(GObj.widget -> unit) -> GtkSignal.id
method destroy : callback:(unit -> unit) -> GtkSignal.id
method remove : callback:(GObj.widget -> unit) -> GtkSignal.id
end