(** @raise Http_getter_types.Key_already_in _ *)
val register: uri:string -> url:string -> unit
- (** @raise Http_getter_types.Key_not_found _ *)
+ (** does not fail if given uri does not exist *)
val unregister: string -> unit
val update: ?logger:logger_callback -> unit -> unit
val close_maps: unit -> unit
val update_from_one_server: ?logger:logger_callback -> string -> unit
val has_server: int -> bool (* does a server with a given position exists? *)
+val init: unit -> unit