text: /**
   * Copyright (c) 2014-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.
   *
   * @flow
   */
  
  'use strict';
  
  const chalk = require('chalk');
  
  module.exports = (str: string, start: number, end: number) =>
    chalk.dim(str.slice(0, start)) +
    chalk.reset(str.slice(start, end)) +
    chalk.dim(str.slice(end));
  