private final NavigableSet<E> forward;

    DescendingSet(NavigableSet<E> forward) {
      this.forward = forward;
    }

    @Override
    protected NavigableSet<E> delegate() {
      return forward;
    }

    @Override
    public @Nullable E lower(@ParametricNullness E e) {
      return forward.higher(e);
    }

    @Override

    /**
     * Gets the client IP address from the request.
     * Checks X-Forwarded-For header before using remote address.
     *
     * @param request the HTTP servlet request
     * @return the client IP address
     */
    public String getClientIp(final HttpServletRequest request) {
        final String value = request.getHeader("x-forwarded-for");
        if (StringUtil.isNotBlank(value)) {
            return value;

  /**
   * Returns the index of the first matching BMP character in a character sequence, or {@code -1} if
   * no matching character is present.
   *
   * <p>The default implementation iterates over the sequence in forward order calling {@link
   * #matches} for each character.
   *
   * @param sequence the character sequence to examine from the beginning
   * @return an index, or {@code -1} if no character matches
   */

ocument||t.target===e||e.contains(t.target))return;const s=K.focusableChildren(e);0===s.length?e.focus():this._lastTabNavDirection===Bt?s[s.length-1].focus():s[0].focus()}_handleKeydown(t){"Tab"===t.key&&(this._lastTabNavDirection=t.shiftKey?Bt:"forward")}}const Kt=".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",Vt=".sticky-top",Qt="padding-right",Xt="margin-right";class Yt{constructor(){this._element=document.body}getWidth(){const t=document.documentElement.clientWidth;return Math.abs(windo...

* GCI: Update the command to get the image ([#24987](https://github.com/kubernetes/kubernetes/pull/24987), [@andyzheng0831](https://github.com/andyzheng0831))
* Port-forward: use out and error streams instead of glog ([#17030](https://github.com/kubernetes/kubernetes/pull/17030), [@csrwng](https://github.com/csrwng))

   * of {@code iterator2}.
   *
   * <p>Note that this will modify the supplied iterators, since they will have been advanced some
   * number of elements forward.
   */
  public static boolean elementsEqual(Iterator<?> iterator1, Iterator<?> iterator2) {
    while (iterator1.hasNext()) {
      if (!iterator2.hasNext()) {
        return false;
      }