*
   * <p>If you override {@link #descendingMultiset} or {@link #entrySet()}, you may wish to override
   * {@link #firstEntry()} to forward to this implementation.
   */
  protected @Nullable Entry<E> standardLastEntry() {
    Iterator<Entry<E>> entryIterator = descendingMultiset().entrySet().iterator();
    if (!entryIterator.hasNext()) {
      return null;
    }
    Entry<E> entry = entryIterator.next();

   *
   * <p>If you override {@link #descendingMultiset} or {@link #entrySet()}, you may wish to override
   * {@link #firstEntry()} to forward to this implementation.
   */
  protected @Nullable Entry<E> standardLastEntry() {
    Iterator<Entry<E>> entryIterator = descendingMultiset().entrySet().iterator();
    if (!entryIterator.hasNext()) {
      return null;
    }
    Entry<E> entry = entryIterator.next();