Multiset.Entry<E> entry = getOnlyElement(getMultiset().entrySet());
    assertEquals(3, entry.getCount());
    assertTrue(getMultiset().remove(e0()));
    assertEquals(2, entry.getCount());
    assertTrue(getMultiset().elementSet().remove(e0()));
    assertEquals(0, entry.getCount());
    getMultiset().add(e0(), 2);
    assertEquals(2, entry.getCount());
  }

  public void testToString() {

    Multiset.Entry<E> entry = getOnlyElement(getMultiset().entrySet());
    assertEquals(3, entry.getCount());
    assertTrue(getMultiset().remove(e0()));
    assertEquals(2, entry.getCount());
    assertTrue(getMultiset().elementSet().remove(e0()));
    assertEquals(0, entry.getCount());
    getMultiset().add(e0(), 2);
    assertEquals(2, entry.getCount());
  }

  public void testToString() {

            crawler1.awaitTermination();
            crawler2.awaitTermination();

            assertEquals(maxCount, dataService.getCount(sessionId1));
            assertEquals(maxCount, dataService.getCount(sessionId2));

            UrlQueue urlQueue;
            while ((urlQueue = urlQueueService.poll(sessionId1)) != null) {

  // Needed to stop Eclipse whining
  private void resetWithHole() {
    List<E> container = new ArrayList<>();
    container.addAll(nCopies(a.getCount(), a.getElement()));
    container.addAll(nCopies(c.getCount(), c.getElement()));
    super.resetContainer(getSubjectGenerator().create(container.toArray()));
    sortedMultiset = (SortedMultiset<E>) getMultiset();
  }

  @CollectionSize.Require(ZERO)

  // Needed to stop Eclipse whining
  private void resetWithHole() {
    List<E> container = new ArrayList<>();
    container.addAll(nCopies(a.getCount(), a.getElement()));
    container.addAll(nCopies(c.getCount(), c.getElement()));
    super.resetContainer(getSubjectGenerator().create(container.toArray()));
    sortedMultiset = (SortedMultiset<E>) getMultiset();
  }

  @CollectionSize.Require(ZERO)

    }

    @Override
    public void update(final List<OpenSearchAccessResult> accessResultList) {
        insertAll(accessResultList, OpType.INDEX);
    }

    @Override
    public int getCount(final String sessionId) {
        return getCount(builder -> builder.setQuery(QueryBuilders.termQuery(SESSION_ID, sessionId)));
    }

    @Override
    public void delete(final String sessionId) {
        deleteBySessionId(sessionId);
    }

    }

    frequency.add(-numberRemoved);
    size -= numberRemoved;
    return oldCount;
  }

  // Roughly a 33% performance improvement over AbstractMultiset.setCount().
  @CanIgnoreReturnValue
  @Override
  public int setCount(@ParametricNullness E element, int count) {
    checkNonnegative(count, "count");

    Count existingCounter;
    int oldCount;
    if (count == 0) {

      } catch (OutOfMemoryError e) {
      }
    }

    CacheTesting.processPendingNotifications(cache);
    assertEquals(1, cache.size());
    assertEquals(1, removalListener.getCount());
  }

  // A simple type whose .toString() will return the same value each time, but without maintaining
  // a strong reference to that value.
  static class Key {
    private final int value;

        Multiset.Entry<E> entry = (Entry<E>) o;
        checkArgument(
            elements.add(entry.getElement()), "Duplicate keys not allowed in EntrySetGenerator");
        for (int i = 0; i < entry.getCount(); i++) {
          contents.add(entry.getElement());
        }
      }
      return ((Multiset<E>) gen.create(contents.toArray())).entrySet();
    }

    @SuppressWarnings("unchecked")
    @Override

        Multiset.Entry<E> entry = (Entry<E>) o;
        checkArgument(
            elements.add(entry.getElement()), "Duplicate keys not allowed in EntrySetGenerator");
        for (int i = 0; i < entry.getCount(); i++) {
          contents.add(entry.getElement());
        }
      }
      return ((Multiset<E>) gen.create(contents.toArray())).entrySet();
    }

    @SuppressWarnings("unchecked")
    @Override