text: /**
   * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   */
  
  throw new Error(
    `this error should not be a problem because` +
      `this file is never required or executed`
  );
  
  // Flow annotations to make sure istanbul can instrument non ES6 source
  /* eslint-disable no-unreachable */
  module.exports = function(j: string, d: string): string {
    if (j) {
      return d;
    } else {
      return j + d;
    }
  };
  