final int hash;

    Element(int hash) {
      this.hash = hash;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      return this == obj || (obj instanceof Element && ((Element) obj).hash == hash);
    }

    @Override
    public int hashCode() {
      return hash;
    }

    @Override
    public int compareTo(Element that) {

                for (PluginExecution element : tgt) {
                    Object key = getPluginExecutionKey().apply(element);
                    merged.put(key, element);
                }

                for (PluginExecution element : src) {
                    Object key = getPluginExecutionKey().apply(element);
                    PluginExecution existing = merged.get(key);

        }
        Element element = document.createElement("classname");
        element.appendChild(document.createTextNode(className));
        return element;
    }

    public Node link(MethodMetaData method, GenerationListener listener) {
        if (model.isKnownType(method.getOwnerClass().getClassName())) {
            Element apilink = document.createElement("apilink");

        }

        Document document = parent.getOwnerDocument();

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

        Element title = document.createElement("title");
        section.appendChild(title);
        title.appendChild(document.createTextNode("Script blocks added by the "));
        Element literal = document.createElement("literal");
        title.appendChild(literal);

    delegateFuture = (ScheduledFuture<?>) delegateQueue.element();
    assertTrue(delegateFuture.isCancelled());

    delegateQueue.clear();

    future = service.scheduleAtFixedRate(runnable, 5, 5, MINUTES);
    future.cancel(true);
    assertTrue(future.isCancelled());
    delegateFuture = (ScheduledFuture<?>) delegateQueue.element();
    assertTrue(delegateFuture.isCancelled());

                for (Plugin element : src) {
                    Object key = getPluginKey().apply(element);
                    managedPlugins.put(key, element);
                }

                List<Plugin> newPlugins = new ArrayList<>();
                for (Plugin element : target.getPlugins()) {
                    Object key = getPluginKey().apply(element);

    List<Object> list = new ArrayList<>(equalityGroup.length);
    for (int i = 0; i < equalityGroup.length; i++) {
      Object element = equalityGroup[i];
      if (element == null) {
        throw new NullPointerException("at index " + i);
      }
      list.add(element);
    }
    equalityGroups.add(list);
    return this;
  }

  /** Run tests on equals method, throwing a failure on an invalid test */

@pytest.mark.parametrize(
    "path,expected_status,expected_response",
    [
        ("/items/", 200, [{"name": "Foo", "price": 42}]),
        ("/users/", 200, [{"username": "johndoe"}]),
        ("/elements/", 200, [{"item_id": "Foo"}]),
    ],
)
def test_query_params_str_validations(path, expected_status, expected_response):
    response = client.get(path)
    assert response.status_code == expected_status

 */
public class Indexed<T> {

    /** 要素 */
    private final T element;

    /** 要素のインデックス */
    private final int index;

    /**
     * コンストラクタ
     *
     * @param element
     *            要素
     * @param index
     *            要素のインデックス
     */
    public Indexed(final T element, final int index) {
        this.element = element;
        this.index = index;
    }

    /**
     * 要素を返します。

            }
        }

        warningsRenderer.renderTo(propertyDoc, "property", section);

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

        if (!propertyDoc.getAdditionalValues().isEmpty()) {
            Element segmentedlist = document.createElement("segmentedlist");
            section.appendChild(segmentedlist);