text: /**
   * Copyright (c) 2013-present, Facebook, Inc.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   *
   * @providesModule generateRelayClientID
   * 
   * @format
   */
  
  'use strict';
  
  var PREFIX = 'client:';
  
  function generateRelayClientID(id, storageKey, index) {
    var key = id + ':' + storageKey;
    if (index != null) {
      key += ':' + index;
    }
    if (key.indexOf(PREFIX) !== 0) {
      key = PREFIX + key;
    }
    return key;
  }
  
  module.exports = generateRelayClientID;