// Do nothing in test
        }

        @Override
        public void deleteAll() {
            // Do nothing in test
        }

        @Override
        public void offerAll(String sessionId, List<OpenSearchUrlQueue> list) {
            // Do nothing in test
        }

        @Override
        public OpenSearchUrlQueue poll(String sessionId) {
            return null;
        }

        list.subList(k, list.size()).clear();
      }
      list.trimToSize();
      return unmodifiableList(list);
    } else {
      TopKSelector<E> selector = TopKSelector.least(k, this);
      selector.offerAll(iterator);
      return selector.topK();
    }
  }

  /**
   * Returns the {@code k} greatest elements of the given iterable according to this ordering, in

        list.subList(k, list.size()).clear();
      }
      list.trimToSize();
      return unmodifiableList(list);
    } else {
      TopKSelector<E> selector = TopKSelector.least(k, this);
      selector.offerAll(iterator);
      return selector.topK();
    }
  }

  /**
   * Returns the {@code k} greatest elements of the given iterable according to this ordering, in