}

    /**
     * Adds an element at the beginning.
     *
     * @param element the object to be added
     */
    public void addFirst(final E element) {
        header.next.addBefore(element);
    }

    /**
     * Adds an element at the end.
     *
     * @param element the object to be added
     */
    public void addLast(final E element) {
        header.addBefore(element);
    }

    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("queries", "query" + id);
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {

    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("outputs", "output");
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {

    "UndefinedEquals", // Comparisons of an object to itself *are* defined.
  })
  public void testEquals_self() {
    assertTrue("An Object should be equal to itself.", collection.equals(collection));
  }

  // Comparisons to null *are* defined.
  @SuppressWarnings("UndefinedEquals")
  public void testEquals_null() {
    // noinspection ObjectEqualsNull
    assertFalse("An object should not be equal to null.", collection.equals(null));

            public void setInitParameterMap(final Map<String, Object> params) {
                initParamMapSet.set(params);
            }
        });
        assertNotNull(crawlerClientFactory);
        Map<String, Object> initParamMap = initParamMapSet.get();
        assertNotNull(initParamMap);

                    Map<String, String> scriptMap, Map<String, Object> defaultDataMap) {
                // TODO nothing
            }
        };

        ScriptEngineFactory scriptEngineFactory = new ScriptEngineFactory();
        ComponentUtil.register(scriptEngineFactory, "scriptEngineFactory");
        new AbstractScriptEngine() {

            @Override
            public Object evaluate(String template, Map<String, Object> paramMap) {

		mkTest(16, 4, 8),
		// Exact simple majority consensus
		mkTest(16, 4, 9),
		// non-tiered object require read quorum of EcM
		nonTieredTest(15, 3, 12),
		// non-tiered object with fewer than EcM in consensus
		nonTieredTest(15, 3, 11),
		// non-tiered object require read quorum of EcM
		nonTieredTest(16, 4, 12),
		// non-tiered object with fewer than EcM in consensus
		nonTieredTest(16, 4, 11),
	}
	for i, test := range tests {

  static class Subscriber {
    final List<Object> nonSubscriberEvents = new ArrayList<>();
    final List<Object> subscriberEvents = new ArrayList<>();

    public void notASubscriber(Object o) {
      nonSubscriberEvents.add(o);
    }

    @Subscribe
    public void subscriber(Object o) {
      subscriberEvents.add(o);
    }
  }

  public void testNonSubscriber() {

  static class Subscriber {
    final List<Object> nonSubscriberEvents = new ArrayList<>();
    final List<Object> subscriberEvents = new ArrayList<>();

    public void notASubscriber(Object o) {
      nonSubscriberEvents.add(o);
    }

    @Subscribe
    public void subscriber(Object o) {
      subscriberEvents.add(o);
    }
  }

  public void testNonSubscriber() {

    assertEquals(2 * values.size(), alternatingKeysAndValues.length);
    for (int i = 0; i < map.size(); i++) {
      Object expectedKey = alternatingKeysAndValues[2 * i];
      Object expectedValue = alternatingKeysAndValues[2 * i + 1];
      Entry<Object, Object> expectedEntry = immutableEntry(expectedKey, expectedValue);
      assertEquals(expectedEntry, entries.get(i));
      assertEquals(expectedKey, keys.get(i));