4 exception Invalid_URL of string
7 on_use_hint: (hint -> unit) ->
8 ?on_exit: (unit -> unit) ->
12 method show : unit -> unit
13 method hide : unit -> unit
15 method registerToBroker : unit -> unit
16 method unregisterFromBroker : unit -> unit
17 method subscribeAll : unit -> unit
19 method stateChange : state -> unit
21 (** @return an hint by index *)
22 method hint : int -> hint