# Class virtual OgtkBaseProps.adjustment_sigs

    class virtual adjustment_sigs : object .. end

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

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

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

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

    method notify_lower : callback:(float -> unit) -> GtkSignal.id

    method notify_page_increment : callback:(float -> unit) -> GtkSignal.id

    method notify_page_size : callback:(float -> unit) -> GtkSignal.id

    method notify_step_increment : callback:(float -> unit) -> GtkSignal.id

    method notify_upper : callback:(float -> unit) -> GtkSignal.id

    method notify_value : callback:(float -> unit) -> GtkSignal.id