[obsolete_apache_client]: https://gist.github.com/swankjesse/09721f72039e3a46cf50f94323deb82d
 [obsolete_url_factory]: https://gist.github.com/swankjesse/dd91c0a8854e1559b00f5fc9c7bfae70
 [okhttp_idling_resource]: https://github.com/JakeWharton/okhttp-idling-resource
 [public_suffix]: https://publicsuffix.org/
 [remove_cbc_ecdsa]: https://developers.google.com/web/updates/2016/12/chrome-56-deprecations#remove_cbc-mode_ecdsa_ciphers_in_tls

  @SafeVarargs
  public static <T extends @Nullable Object> Iterator<T> cycle(T... elements) {
    return cycle(Lists.newArrayList(elements));
  }

  /**
   * Returns an Iterator that walks the specified array, nulling out elements behind it. This can
   * avoid memory leaks when an element is no longer necessary.
   *
   * <p>This method accepts an array with element type {@code @Nullable T}, but callers must pass an

  @SafeVarargs
  public static <T extends @Nullable Object> Iterator<T> cycle(T... elements) {
    return cycle(Lists.newArrayList(elements));
  }

  /**
   * Returns an Iterator that walks the specified array, nulling out elements behind it. This can
   * avoid memory leaks when an element is no longer necessary.
   *
   * <p>This method accepts an array with element type {@code @Nullable T}, but callers must pass an