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(*
* Copyright (c) 2017 - present Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*)
type machine_readable_version = float
type human_readable_version = string
type t = machine_readable_version * human_readable_version
val version_of : string -> human_readable_version option
val pp_diff_of_version_opt : Format.formatter ->
(human_readable_version option * human_readable_version option) -> unit