return this;
    }

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

    @CanIgnoreReturnValue
    Builder<E> combine(Builder<E> builder) {
      checkNotNull(builder);
      contents.addAll(builder.contents);
      return this;
    }

    @Override

            return parent.containsAll(c);
        }

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

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

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

   */
  public void addAll(Iterable<? extends Number> values) {
    for (Number value : values) {
      add(value.doubleValue());
    }
  }

  /**
   * Adds the given values to the dataset.
   *
   * @param values a series of values, which will be converted to {@code double} values (this may
   *     cause loss of precision)
   */
  public void addAll(Iterator<? extends Number> values) {

    assertNull(mmHeap.peek());
    assertNull(mmHeap.poll());
  }

  public void testRemove() {
    MinMaxPriorityQueue<Integer> mmHeap = MinMaxPriorityQueue.create();
    mmHeap.addAll(Lists.newArrayList(1, 2, 3, 4, 47, 1, 5, 3, 0));
    assertTrue("Heap is not intact initially", mmHeap.isIntact());
    assertEquals(9, mmHeap.size());
    mmHeap.remove(5);
    assertEquals(8, mmHeap.size());

        parent.add(index, element);
    }

    @Override
    public boolean addAll(final Collection<? extends Map<String, Object>> c) {
        return parent.addAll(c);
    }

    @Override
    public boolean addAll(final int index, final Collection<? extends Map<String, Object>> c) {
        return parent.addAll(index, c);
    }

    @Override
    public void clear() {
        parent.clear();

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

  /**

      int extras = numGoodQueries % size;

      for (int i = 0; i < minCopiesOfEachGoodQuery; i++) {
        queryList.addAll(elementsInSet);
      }
      List<Element> tmp = Lists.newArrayList(elementsInSet);
      Collections.shuffle(tmp, random);
      queryList.addAll(tmp.subList(0, extras));
    }

    // now add bad queries
    while (queryList.size() < numQueries) {
      Element candidate = newElement();

    assertEquals(3, queue.remainingCapacity());

    assertTrue(queue.addAll(ImmutableList.of("one", "two", "three")));
    assertEquals("one", queue.element());
    assertEquals("one", queue.peek());
    assertEquals(3, queue.size());
    assertEquals(0, queue.remainingCapacity());

    assertTrue(queue.addAll(ImmutableList.of("four")));
    assertEquals("two", queue.element());

      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));

        val firTargets = buildSet<FirElement> {
            add(firDefaultStatement)
            addAll(collector.firReturnExpressions)
            addAll(collector.firBreakExpressions)
            addAll(collector.firContinueExpressions)
        }

        return hasMultipleExitPoints(firTargets)
    }