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));

              @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(

  }

  @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)

      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

 * 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.
 *

                    resolvedOptionalProjects.add(optSelectedProject.get());
                    if (activation.activationSettings().recurse()) {
                        resolvedOptionalProjects.addAll(getChildProjects(optSelectedProject.get(), request));
                    }
                } else {
                    unresolvedSelectors.add(activation);
                }
            }
        }

  }

  @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();

        final Set<String> candidateFields = new java.util.TreeSet<>();
        candidateFields.addAll(arrayFieldSet);
        candidateFields.addAll(dateFieldSet);
        candidateFields.addAll(integerFieldSet);
        candidateFields.addAll(longFieldSet);
        candidateFields.addAll(floatFieldSet);
        candidateFields.addAll(doubleFieldSet);
        final Map<String, Object> doc = currentForm != null ? currentForm.doc : null;

      }
      return this;
    }

    @CanIgnoreReturnValue
    public Builder<E> addAll(Iterable<? extends E> elements) {
      checkNotNull(elements); // for GWT
      for (E element : elements) {
        add(checkNotNull(element));
      }
      return this;
    }

    @CanIgnoreReturnValue
    public Builder<E> addAll(Iterator<? extends E> elements) {
      checkNotNull(elements); // for GWT

  static final Iterable<Long> ALL_LONG_CANDIDATES;

  static {
    ImmutableSet.Builder<Long> longValues = ImmutableSet.builder();
    // First add all the integer candidate values.
    longValues.addAll(Iterables.transform(POSITIVE_INTEGER_CANDIDATES, Long::valueOf));
    // Add boundary values manually to avoid over/under flow (this covers 2^N for 31 and 63).