Scroll.Scrollbartype t = {scrollable : Scrollable.t;mutable bar_style : Scroll_bar_style.t;incr_key : Notty.Unescape.key;decr_key : Notty.Unescape.key;mutable bounds : Hardcaml_waveterm.Draw.rect;orientation : Orientation.t;}val sexp_of_t : t -> Ppx_sexp_conv_lib.Sexp.tval mouse_event : t -> Notty.Unescape.mouse -> Base.Bool.tval key_event : t -> Notty.Unescape.key -> Base.Bool.tval set_bounds : t -> Hardcaml_waveterm.Draw.rect -> Base.Unit.t