assertTrue(Thread.holdsLock(mutex));
      return delegate.containsAll(collection);
    }

    @Override
    public boolean addAll(Collection<? extends E> collection) {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.addAll(collection);
    }

    @Override
    public boolean retainAll(Collection<?> collection) {
      assertTrue(Thread.holdsLock(mutex));

    private <T> Collection<T> getExtensionComponents(Collection<MavenProject> projects, Class<T> role) {
        Collection<T> foundComponents = new LinkedHashSet<>();
        foundComponents.addAll(lookup.lookupList(role));
        foundComponents.addAll(getProjectScopedExtensionComponents(projects, role));
        return foundComponents;
    }

      return this;
    }

    @CanIgnoreReturnValue
    @Override
    public Builder<E> addAll(Iterable<? extends E> elements) {
      super.addAll(elements);
      return this;
    }

    @CanIgnoreReturnValue
    @Override
    public Builder<E> addAll(Iterator<? extends E> elements) {
      super.addAll(elements);
      return this;
    }

    @CanIgnoreReturnValue

  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testAddAll_emptySet() {
    assertFalse(getMultiset().addAll(Collections.emptySet()));
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testAddAll_emptyMultiset() {
    assertFalse(getMultiset().addAll(getSubjectGenerator().create()));
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_ADD)

              @Override
              public NavigableSet<String> create(String[] elements) {
                NavigableSet<String> innerSet = new TreeSet<>();
                Collections.addAll(innerSet, elements);
                return Collections.checkedNavigableSet(innerSet, String.class);
              }
            })
        .named("checkedNavigableSet/TreeSet, natural")
        .withFeatures(

  }

  @Override
  protected final Iterable<? extends Stimulus<E, ? super ListIterator<E>>> getStimulusValues() {
    List<Stimulus<E, ? super ListIterator<E>>> list = new ArrayList<>();
    Helpers.addAll(list, iteratorStimuli());
    Helpers.addAll(list, listIteratorStimuli());
    return list;
  }

  @Override
  protected abstract ListIterator<E> newTargetIterator();

 * methods of the delegate. For example, overriding {@link #add} alone <b>will not</b> change the
 * behavior of {@link #addAll}, which can lead to unexpected behavior. In this case, you should
 * override {@code addAll} as well, either providing your own implementation, or delegating to the
 * provided {@code standardAddAll} method.
 *

        super(indexSettings, name, settings);
        List<String> wordList = Analysis.parseWordList(env, settings, "stoptags", s -> s);
        if (wordList != null) {
            stopTags.addAll(wordList);
        } else {
            stopTags.addAll(JapaneseAnalyzer.getDefaultStopTags());
        }
    }

    @Override
    public TokenStream create(TokenStream tokenStream) {

            includeXpack = objects.listProperty(String.class);
        }

        public void includeCore(String... include) {
            this.includeCore.addAll(include);
        }

        public void includeXpack(String... include) {
            this.includeXpack.addAll(include);
        }

        public ListProperty<String> getIncludeCore() {
            return includeCore;
        }

            Collection<String> scopesToCollect, Collection<String> scopesToResolve) {
        return scopesToCollectForAggregatedProjects.addAll(scopesToCollect)
                || scopesToResolveForAggregatedProjects.addAll(scopesToResolve);
    }

    public void synchronizeWithProjectState() {
        lastDependencyArtifacts = project.getDependencyArtifacts();