return new Stopwatch(ticker);
  }

  /**
   * Creates (and starts) a new stopwatch using {@link System#nanoTime} as its time source.
   *
   * @since 15.0
   */
  public static Stopwatch createStarted() {
    return new Stopwatch().start();
  }

  /**
   * Creates (and starts) a new stopwatch, using the specified time source.
   *
   * @since 15.0
   */

    return new Stopwatch(ticker);
  }

  /**
   * Creates (and starts) a new stopwatch using {@link System#nanoTime} as its time source.
   *
   * @since 15.0
   */
  public static Stopwatch createStarted() {
    return new Stopwatch().start();
  }

  /**
   * Creates (and starts) a new stopwatch, using the specified time source.
   *
   * @since 15.0
   */