ReferenceEntry<K, V> next = head.getNextInWriteQueue();
      return (next == head) ? null : next;
    }

    @Override
    public @Nullable ReferenceEntry<K, V> poll() {
      ReferenceEntry<K, V> next = head.getNextInWriteQueue();
      if (next == head) {
        return null;
      }

      remove(next);
      return next;
    }

    @Override

      ReferenceEntry<K, V> next = head.getNextInWriteQueue();
      return (next == head) ? null : next;
    }

    @Override
    public @Nullable ReferenceEntry<K, V> poll() {
      ReferenceEntry<K, V> next = head.getNextInWriteQueue();
      if (next == head) {
        return null;
      }

      remove(next);
      return next;
    }

    @Override

    private final ReferenceEntry<K, V> next;

    public DummyEntry(K key, int hash, ReferenceEntry<K, V> next) {
      this.key = key;
      this.hash = hash;
      this.next = next;
    }

    public static <K, V> DummyEntry<K, V> create(
        K key, int hash, @Nullable ReferenceEntry<K, V> next) {
      return new DummyEntry<>(key, hash, next);
    }

    public void clearKey() {

    private final ReferenceEntry<K, V> next;

    public DummyEntry(K key, int hash, ReferenceEntry<K, V> next) {
      this.key = key;
      this.hash = hash;
      this.next = next;
    }

    public static <K, V> DummyEntry<K, V> create(
        K key, int hash, @Nullable ReferenceEntry<K, V> next) {
      return new DummyEntry<>(key, hash, next);
    }

    public void clearKey() {

  `Never mind!' said the King, with an air of great relief.
`Call the next witness.'  And he added in an undertone to the
Queen, `Really, my dear, YOU must cross-examine the next witness.
It quite makes my forehead ache!'

  Alice watched the White Rabbit as he fumbled over the list,
feeling very curious to see what the next witness would be like,
`--for they haven't got much evidence YET,' she said to herself.

 *
 * Each derivation can capture the next value or any intermediate objects for later closing.
 *
 * <p>A step can be the input to at most one derived step. Once you transform its value, catch its
 * exception, or combine it with others, you cannot do anything else with it, including declare it
 * to be the last step of the pipeline.
 *
 * <h4>Transforming</h4>
 *

  `Never mind!' said the King, with an air of great relief.
`Call the next witness.'  And he added in an undertone to the
Queen, `Really, my dear, YOU must cross-examine the next witness.
It quite makes my forehead ache!'

  Alice watched the White Rabbit as he fumbled over the list,
feeling very curious to see what the next witness would be like,
`--for they haven't got much evidence YET,' she said to herself.

[previous]\n      }\n\n      previous = previous.previousElementSibling\n    }\n\n    return []\n  },\n  // TODO: this is now unused; remove later along with prev()\n  next(element, selector) {\n    let next = element.nextElementSibling\n\n    while (next) {\n      if (next.matches(selector)) {\n        return [next]\n      }\n\n      next = next.nextElementSibling\n    }\n\n    return []\n  },\n\n  focusableChildren(element) {\n    const focusables = [\n      'a',\n      'button',\n      'input',\n    ...

static get Default() {\n    return Default\n  }\n\n  // Public\n  next() {\n    if (!this._isSliding) {\n      this._slide(DIRECTION_NEXT)\n    }\n  }\n\n  nextWhenVisible() {\n    const $element = $(this._element)\n    // Don't call next when the page isn't visible\n    // or the carousel or its parent isn't visible\n    if (!document.hidden &&\n      ($element.is(':visible') && $element.css('visibility') !== 'hidden')) {\n      this.next()\n    }\n  }\n\n  prev() {\n    if (!this._isSliding) {\n   ...

$element.attr(SELECTOR_ARIA_ATTR)\n    const $body = $element.next(SELECTOR_EXPANDABLE_BODY).children().first().children()\n\n    $body.stop()\n    if ($type === 'true') {\n      $body.slideUp(time, () => {\n        $element.next(SELECTOR_EXPANDABLE_BODY).addClass('d-none')\n      })\n      $element.attr(SELECTOR_ARIA_ATTR, 'false')\n      $element.trigger($.Event(EVENT_COLLAPSED))\n    } else if ($type === 'false') {\n      $element.next(SELECTOR_EXPANDABLE_BODY).removeClass('d-none')\n      $body.slideDown(time)\n...