# Module GtkBinProps.Expander

    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