contents[size++] = element;
      return this;
    }

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

    final void addAll(@Nullable Object[] elements, int n) {
      checkElementsNotNull(elements, n);
      ensureRoomFor(n);
      /*

  }

  @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();

    if (elements instanceof Collection) {
      return new ArrayDeque<>((Collection<? extends E>) elements);
    }
    ArrayDeque<E> deque = new ArrayDeque<>();
    Iterables.addAll(deque, elements);
    return deque;
  }

  // ConcurrentLinkedQueue

  /** Creates an empty {@code ConcurrentLinkedQueue}. */
  @J2ktIncompatible
  @GwtIncompatible // ConcurrentLinkedQueue

      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));

        }
        builder.addAll(array);
      }
    },
    ADD_COLLECTION {
      @Override
      void doIt(ImmutableLongArray.Builder builder, AtomicLong counter) {
        List<Long> list = new ArrayList<>();
        long num = random.nextInt(10);
        for (int i = 0; i < num; i++) {
          list.add(counter.getAndIncrement());
        }
        builder.addAll(list);
      }
    },

   * This method is not actually very useful and will likely be deprecated in the future.
   */
  @SuppressWarnings("NonApiType") // acts as a direct substitute for a constructor call
  public static <E extends @Nullable Object> HashSet<E> newHashSet(E... elements) {
    HashSet<E> set = newHashSetWithExpectedSize(elements.length);
    Collections.addAll(set, elements);
    return set;
  }

      E e1, E e2, E e3, E e4, E e5, E e6, E... remaining) {
    int size = remaining.length + 6;
    List<E> all = Lists.newArrayListWithCapacity(size);
    Collections.addAll(all, e1, e2, e3, e4, e5, e6);
    Collections.addAll(all, remaining);
    return copyOf(Ordering.natural(), all);
  }

  /**
   * Returns an immutable sorted multiset containing the given elements sorted by their natural
   * ordering.

          );

  private static final ImmutableSet<String> PS_NOT_RS = ImmutableSet.of("blogspot.com", "uk.com");

  private static final ImmutableSet<String> PS =
      ImmutableSet.<String>builder().addAll(RS).addAll(PS_NOT_RS).build();

  private static final ImmutableSet<String> NO_PS =
      ImmutableSet.of("www", "foo.ihopethiswillneverbeapublicsuffix", "x.y.z");

  /**

        }
        builder.addAll(iterable(list));
      }
    },
    ADD_STREAM {
      @Override
      void doIt(ImmutableDoubleArray.Builder builder, AtomicInteger counter) {
        double[] array = new double[random.nextInt(10)];
        for (int i = 0; i < array.length; i++) {
          array[i] = counter.getAndIncrement();
        }
        builder.addAll(stream(array));
      }
    },

    Multiset<E> multiset = LinkedHashMultiset.create();
    Iterators.addAll(multiset, elements);
    return copyFromEntries(multiset.entrySet());
  }

  private static <E> ImmutableMultiset<E> copyFromElements(E... elements) {
    Multiset<E> multiset = LinkedHashMultiset.create();
    Collections.addAll(multiset, elements);
    return copyFromEntries(multiset.entrySet());
  }