module S:sig..end
val add : ([> `container ], Gtk.widget Gtk.obj -> unit) GtkSignal.t
val remove : ([> `container ], Gtk.widget Gtk.obj -> unit) GtkSignal.t
val check_resize : ([> `container ], unit -> unit) GtkSignal.t
val set_focus : ([> `container ], Gtk.widget Gtk.obj option -> unit) GtkSignal.t