sig
type notifier
val disable : Lwt_event.notifier -> unit
val notify : ('a -> unit) -> 'a React.event -> Lwt_event.notifier
val notify_p : ('a -> unit Lwt.t) -> 'a React.event -> Lwt_event.notifier
val notify_s : ('a -> unit Lwt.t) -> 'a React.event -> Lwt_event.notifier
val always_notify : ('a -> unit) -> 'a React.event -> unit
val always_notify_p : ('a -> unit Lwt.t) -> 'a React.event -> unit
val always_notify_s : ('a -> unit Lwt.t) -> 'a React.event -> unit
end