Wl_keyboard.v4
Handler for a proxy with version >= 4.
constraint 'a = [< `V4 | `V5 | `V6 | `V7 | `V8 | `V9 ]
method private virtual on_release : [> `V4 | `V5 | `V6 | `V7 | `V8 | `V9 ] t -> unit
Release the keyboard object.
method min_version : int32