anchor.diff:    }
   
     /**
  -   * Asynchronously calls the operating system's stat() function on [path].
  -   *
  -   * Returns a Future which completes with a [FileStat] object containing
  -   * the data returned by stat(). If the call fails, completes the future with a
  -   * [FileStat] object with `.type` set to FileSystemEntityType.notFound and
  -   * the other fields invalid.
  +   * Asynchronously calls the operating system's `stat()` function (or
  +   * equivalent) on [path].
  +   *
  +   * Returns a [Future] which completes with the same results as [statSync].
      */
     static Future<FileStat> stat(String path) {
       final IOOverrides overrides = IOOverrides.current;
  
positive.code:    * stat().
     *
     * If the call fails, completes the future with a [FileStat] object
     * with .type set to
     * FileSystemEntityType.notFound and the other fields invalid.
     */
    Future<FileStat> stat() => FileStat.stat(path);
  
  
negative.code:   /**
     * Finds the type of file system object that a path points to.
     *
     * Returns a [:Future<FileSystemEntityType>:] that completes with the same
     * results as [typeSync].
     */
    static Future<FileSystemEntityType> type(String path,
        {bool followLinks: true}) {
  