`[> Gtk.adjustment ] Gtk.obj ->
object ('a)
method after : 'a
method changed : callback:(unit -> unit) -> GtkSignal.id
method destroy : 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
method value_changed : callback:(unit -> unit) -> GtkSignal.id
end`