*/
    @CanIgnoreReturnValue
    public Builder<E> addCopies(E element, int occurrences) {
      contents.add(checkNotNull(element), occurrences);
      return this;
    }

    /**
     * Adds or removes the necessary occurrences of an element such that the element attains the
     * desired count.
     *
     * @param element the element to add or remove occurrences of

   * Returns an {@link Optional} containing the first element in this fluent iterable. If the
   * iterable is empty, {@code Optional.absent()} is returned.
   *
   * <p><b>{@code Stream} equivalent:</b> if the goal is to obtain any element, {@link
   * Stream#findAny}; if it must specifically be the <i>first</i> element, {@code Stream#findFirst}.
   *
   * @throws NullPointerException if the first element is null; if this is a possibility, use {@code

        title.appendChild(literal);
        literal.appendChild(document.createTextNode(blockDoc.getName()));
        title.appendChild(document.createTextNode(" { }"));

        warningsRenderer.renderTo(blockDoc, "script block", section);

        for (Element element : blockDoc.getComment()) {
            section.appendChild(document.importNode(element, true));
        }

  @Override
  public boolean contains(@CheckForNull Object element) {
    return count(element) > 0;
  }

  // Modification Operations
  @CanIgnoreReturnValue
  @Override
  public final boolean add(@ParametricNullness E element) {
    add(element, 1);
    return true;
  }

  @CanIgnoreReturnValue
  @Override
  public int add(@ParametricNullness E element, int occurrences) {
    throw new UnsupportedOperationException();

rentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.setAttribute("aria-modal",!0),g(this._dialog).hasClass(ce)&&i?i.scrollTop=0:this._element.scrollTop=0,n&&_.reflow(this._element),g(this._element).addClass(ge),this._config.focus&&this._enforceFocus();function o(){e._config.focus&&e._element.focus(),e._isTransitioning=!1,g(e._element).trigger(r)}var...

rentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.setAttribute("aria-modal",!0),g(this._dialog).hasClass(ce)&&i?i.scrollTop=0:this._element.scrollTop=0,n&&_.reflow(this._element),g(this._element).addClass(ge),this._config.focus&&this._enforceFocus();function o(){e._config.focus&&e._element.focus(),e._isTransitioning=!1,g(e._element).trigger(r)}var...

            listener.warning(String.format("Unsupported HTML element <%s>", elementName));
            Element element = document.createElement("UNHANDLED-ELEMENT");
            element.appendChild(document.createTextNode(String.format("<%s>", elementName)));
            nodes.push(element);
            return true;
        }

        @Override
        public void onText(String text) {

            String url = element.'@url'
            if (url.startsWith('website:')) {
                url = url.substring(8)
                url = "${websiteUrl.get()}/${url}"
                element.setAttribute('url', url)
            }
        }
    }

    static def findAll(Document doc, String byName) {
        doc.documentElement.depthFirst().findAll { it.name() == byName }
    }

    assertEquals(1, queue.remainingCapacity());

    assertTrue(queue.add("hi"));
    assertEquals("hi", queue.element());
    assertEquals("hi", queue.peek());
    assertEquals(1, queue.size());
    assertEquals(0, queue.remainingCapacity());

    assertTrue(queue.add("there"));
    assertEquals("there", queue.element());
    assertEquals("there", queue.peek());
    assertEquals(1, queue.size());

    }

    @Override
    public void renderSummaryTo(ClassDoc classDoc, Element parent) {
        Document document = parent.getOwnerDocument();

        Element summarySection = document.createElement("section");
        parent.appendChild(summarySection);

        Element title = document.createElement("title");
        summarySection.appendChild(title);