Collection<E> copy = new ArrayList<>();
    copy.addAll(collection);

    try {
      collection.add(sampleElement);
      fail("add succeeded on unmodifiable collection");
    } catch (UnsupportedOperationException expected) {
    }

    assertCollectionsAreEquivalent(copy, collection);

    try {
      collection.addAll(siblingCollection);
      fail("addAll succeeded on unmodifiable collection");

        super(indexSettings, name, settings);

        final List<String> tagList = Analysis.parseWordList(environment, settings, "tags", s -> s);
        if (tagList != null) {
            posTags.addAll(tagList);
        }
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        final PartOfSpeechAttribute posAtt = tokenStream.addAttribute(PartOfSpeechAttribute.class);

            return parent.containsAll(c);
        }

        public boolean addAll(final Collection<? extends E> c) {
            return parent.addAll(c);
        }

        public boolean addAll(final int index, final Collection<? extends E> c) {
            return parent.addAll(index, c);
        }

        public boolean removeAll(final Collection<?> c) {

    }

    private List<Multiset.Entry<E>> snapshot() {
      List<Multiset.Entry<E>> list = newArrayListWithExpectedSize(size());
      // Not Iterables.addAll(list, this), because that'll forward right back here.
      Iterators.addAll(list, iterator());
      return list;
    }
  }

  /**
   * @serialData the ConcurrentMap of elements and their counts.
   */

  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = new ArrayList<>();
    if (runCollectionTests) {
      testers.addAll(super.getTesters());
    }

    testers.add(QueueElementTester.class);
    testers.add(QueueOfferTester.class);
    testers.add(QueuePeekTester.class);
    testers.add(QueuePollTester.class);

    val expectedEvents2 =
      mutableListOf<String>().apply {
        add("CallStart")
        if (connectionType != H2) {
          addAll(listOf("ConnectStart", "ConnectEnd"))
        }
        addAll(listOf("ConnectionAcquired", "ConnectionReleased", "CallEnd"))
      }

    assertThat(events2).isEqualTo(expectedEvents2)
  }

  private fun isConnectionEvent(it: CallEvent?) =

     */
    public Set<String> getPropertyNames() {
        Set<String> propertyNames = new TreeSet<String>();
        propertyNames.addAll(declaredProperties.keySet());
        ClassMetaData superClass = getSuperClass();
        if (superClass != null) {
            propertyNames.addAll(superClass.getPropertyNames());
        }
        return propertyNames;
    }

    private PropertyMetaData getProperty(String name) {

        for (MojoExecution mojoExecution : mojoExecutions) {
            MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

            scopesToResolve.addAll(toScopes(mojoDescriptor.getDependencyResolutionRequired()));

            scopesToCollect.addAll(toScopes(mojoDescriptor.getDependencyCollectionRequired()));
        }
    }

    private Collection<String> toScopes(String classpath) {

    checkArgument(iterator.hasNext(), "EnumMultiset constructor passed empty Iterable");
    EnumMultiset<E> multiset = new EnumMultiset<>(iterator.next().getDeclaringClass());
    Iterables.addAll(multiset, elements);
    return multiset;
  }

  /**
   * Returns a new {@code EnumMultiset} instance containing the given elements. Unlike {@link

   */
  public static <E extends @Nullable Object> CompactLinkedHashSet<E> create(
      Collection<? extends E> collection) {
    CompactLinkedHashSet<E> set = createWithExpectedSize(collection.size());
    set.addAll(collection);
    return set;
  }

  /**
   * Creates a {@code CompactLinkedHashSet} instance containing the given elements in unspecified
   * order.
   *