this.comparator = checkNotNull(comparator);
    }

    @CanIgnoreReturnValue
    @Override
    public Builder<E> add(E element) {
      super.add(element);
      return this;
    }

    @CanIgnoreReturnValue
    @Override
    public Builder<E> add(E... elements) {
      super.add(elements);
      return this;
    }

    @CanIgnoreReturnValue
    @Override

   * @return the 'dead' event that could not be delivered.
   */
  public Object getEvent() {
    return event;
  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this).add("source", source).add("event", event).toString();
  }

        pushedHeaders.add(Header(Header.TARGET_AUTHORITY, url(pushPromise.path).host))
        pushedHeaders.add(Header(Header.TARGET_METHOD, pushPromise.method))
        pushedHeaders.add(Header(Header.TARGET_PATH, pushPromise.path))
        val pushPromiseHeaders = pushPromise.headers
        for ((name, value) in pushPromiseHeaders) {
          pushedHeaders.add(Header(name, value))
        }

         .add("publicobject.com",   "sha1/DmxUShsZuNiqPQsX2Oi9uv2sCnw=")
         .add("*.publicobject.com", "sha1/DmxUShsZuNiqPQsX2Oi9uv2sCnw=")
         .add("publicobject.com",   "sha1/SXxoaOSEzPC6BgGmxAt/EAcsajw=")
         .add("*.publicobject.com", "sha1/SXxoaOSEzPC6BgGmxAt/EAcsajw=")
         .add("publicobject.com",   "sha1/blhOM3W9V/bVQhsWAcLYwPU6n24=")

   * {@code ClassCastException} for any elements {@code e1} and {@code e2} in the multiset. If the
   * user attempts to add an element to the multiset that violates this constraint (for example, the
   * user attempts to add a string element to a set whose elements are integers), the {@code
   * add(Object)} call will throw a {@code ClassCastException}.
   *

     */
    public void setCreateContexts(CreateContextRequest[] contexts) {
        this.createContexts = contexts;
    }

    /**
     * Add a create context to this request
     * @param context the create context to add
     */
    public void addCreateContext(CreateContextRequest context) {
        if (context == null) {
            return;
        }

        this.commandRegistries = new ArrayList<>();
    }

    public void addCommandRegistry(CommandRegistry commandRegistry) {
        requireNonNull(commandRegistry, "commandRegistry");
        this.commandRegistries.add(commandRegistry);
    }

    public CommandRegistry[] getCommandRegistries() {
        return commandRegistries.toArray(new CommandRegistry[0]);
    }

    @Override
    public void close() throws Exception {

    assertTrue(result.remove(v0()));

    assertFalse(multimap().containsKey(k0()));
    assertFalse(multimap().containsEntry(k0(), v0()));
    assertEmpty(result);

    assertTrue(result.add(v1()));
    assertTrue(result.add(v2()));

    assertContentsAnyOrder(result, v1(), v2());
    assertContentsAnyOrder(multimap().get(k0()), v1(), v2());
    assertTrue(multimap().containsKey(k0()));

      iteratorElements.add(element);
    }
    assertEqualIgnoringOrder(asList(createSamplesArray()), iteratorElements);
  }

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testIterationOrdering() {
    List<E> iteratorElements = new ArrayList<>();
    for (E element : collection) { // uses iterator()
      iteratorElements.add(element);
    }

            searchFieldLogList.add(new Pair<>(name, value));
        }
    }

    public void addRequestHeaderValue(final String name, final String value) {
        if (StringUtil.isNotBlank(name) && StringUtil.isNotBlank(value)) {
            headerList.add(new Pair<>(name, value));
        }
    }

    public void addDocument(final Map<String, Object> doc) {
        documentList.add(doc);
    }