module Expander:sig
..end
val cast : 'a Gobject.obj -> Gtk.expander Gtk.obj
module P:sig
..end
module S:sig
..end
val create : Gtk.expander Gobject.param list -> Gtk.expander Gtk.obj
val make_params : cont:(([> `expander ] as 'a) Gobject.param list -> 'b) ->
'a Gobject.param list ->
?expanded:bool -> ?label:string -> ?spacing:int -> ?use_underline:bool -> 'b