`([> Gtk.dialog ] as 'b) Gtk.obj ->
decode:(int -> 'a) ->
object ('c)
val obj : 'b Gtk.obj
method add : callback:(GObj.widget -> unit) -> GtkSignal.id
method after : 'c
method close : callback:(unit -> unit) -> GtkSignal.id
method destroy : callback:(unit -> unit) -> GtkSignal.id
method notify_border_width : callback:(int -> unit) -> GtkSignal.id
method notify_resize_mode :
callback:(GtkEnums.resize_mode -> unit) -> GtkSignal.id
method remove : callback:(GObj.widget -> unit) -> GtkSignal.id
method response : callback:('a -> unit) -> GtkSignal.id
end`