this.mutex = mutex;
    }

    @Override
    protected Map<K, V> delegate() {
      return delegate;
    }

    @Override
    public int size() {
      assertTrue(Thread.holdsLock(mutex));
      return super.size();
    }

    @Override
    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return super.isEmpty();
    }

    @Override

                .getSampleElements(getSubjectGenerator().getCollectionSize().getNumElements()));
    sort(values, sortedSet.comparator());

    // some tests assume SEVERAL == 3
    if (values.size() >= 1) {
      a = values.get(0);
      if (values.size() >= 3) {
        b = values.get(1);
        c = values.get(2);
      }
    }
  }

  @CollectionSize.Require(ZERO)
  public void testEmptySetFirst() {

        assertEquals(8192, receiveBufferSize, "Should delegate receive buffer size");
        assertEquals(65536, maximumBufferSize, "Should delegate maximum buffer size");
        assertEquals(65024, transactionBufferSize, "Should delegate transaction buffer size");
        assertEquals(16, bufferCacheSize, "Should delegate buffer cache size");

    int DEFAULT_RESPONSE_TIMEOUT = 30000;
    /** Default socket timeout in milliseconds */
    int DEFAULT_SO_TIMEOUT = 35000;
    /** Default receive buffer size in bytes */
    int DEFAULT_RCV_BUF_SIZE = 60416;
    /** Default send buffer size in bytes */
    int DEFAULT_SND_BUF_SIZE = 16644;
    /** Default session limit */
    int DEFAULT_SSN_LIMIT = 250;
    /** Default connection timeout in milliseconds */

labels.search_result_sort_filename_desc=by Filename (desc)
labels.search_result_sort_created_asc=by Date (asc)
labels.search_result_sort_created_desc=by Date (desc)
labels.search_result_sort_content_length_asc=by Size (asc)
labels.search_result_sort_content_length_desc=by Size (desc)
labels.search_result_sort_last_modified_asc=by Last Modified (asc)
labels.search_result_sort_last_modified_desc=by Last Modified (desc)

   * #add(Object)} to forward to this implementation.
   *
   * @since 7.0
   */
  protected boolean standardAdd(@ParametricNullness E element) {
    add(size(), element);
    return true;
  }

  /**
   * A sensible default implementation of {@link #addAll(int, Collection)}, in terms of the {@code

            }
            if (updateIndices.size() != 1) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Unexpected update indices num: {}", updateIndices.size());
                }
                throw new SuggesterException("Unexpected update indices num:" + updateIndices.size());
            }
            final String updateIndex = updateIndices.get(0);

        String::class.java == returnType &&
        callArgs.size == 1 &&
        callArgs[0] is List<*>
      ) {
        val peerProtocols = callArgs[0] as List<*>
        // Pick the first known protocol the peer advertises.
        for (i in 0..peerProtocols.size) {
          val protocol = peerProtocols[i] as String
          if (protocol in protocols) {

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testAsMapRemove() {
    assertContentsInOrder(multimap().asMap().remove(k0()), v0());
    assertGet(k0());
    assertEquals(getNumElements() - 1, multimap().size());
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(SUPPORTS_PUT)
  public void testAsMapEntrySetReflectsPutSameKey() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v3()));

          extras = new ArrayList<>();
        }
        extras.add(other.element);
        extras.addAll(other.extras);
        if (extras.size() > MAX_EXTRAS) {
          extras.subList(MAX_EXTRAS, extras.size()).clear();
          throw multiples(true);
        }
        return this;
      }
    }

    Optional<Object> getOptional() {
      if (extras.isEmpty()) {