(**
 * Copyright (c) 2015, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the "hack" directory of this source tree.
 *
 *)

type env
type event = string * string
val init : unit -> env
val add_watch : env -> string -> string
val get_event_fd : env -> Unix.file_descr 
val read_events : env -> event list

(* Currently unimplemented
val rm_watch : env -> string -> string
*)
