# Class virtual OgtkBaseProps.item_sigs

    class virtual item_sigs : object .. end

    method private virtual connect : 'b. ([> `item ], 'b) GtkSignal.t -> callback:'b -> GtkSignal.id

    method private virtual notify : 'b.
             ([> `item ] as 'a, 'b) Gobject.property ->
             callback:('b -> unit) -> GtkSignal.id

    method select : callback:(unit -> unit) -> GtkSignal.id

    method deselect : callback:(unit -> unit) -> GtkSignal.id

    method toggle : callback:(unit -> unit) -> GtkSignal.id