sig
val change_value :
([> `spinbutton ], GtkEnums.scroll_type -> unit) GtkSignal.t
val input : ([> `spinbutton ], unit -> int) GtkSignal.t
val output : ([> `spinbutton ], unit -> bool) GtkSignal.t
val value_changed : ([> `spinbutton ], unit -> unit) GtkSignal.t
val wrapped : ([> `spinbutton ], unit -> unit) GtkSignal.t
end