multimap.asMap().entrySet(), immutableEntry(sampleKey, sampleValueAsCollection));

    // Test #values()

    assertMultimapRemainsUnmodified(multimap, originalEntries);
    if (!multimap.isEmpty()) {
      Collection<V> values = multimap.asMap().entrySet().iterator().next().getValue();

      assertCollectionIsUnmodifiable(values, sampleValue);
    }

    // Test #entries()

    assertThat(keySet).isEmpty();

    // add 0, 1, 2, 3, 4
    getAll(cache, asList(0, 1, 2, 3, 4));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(0, 1, 2, 3, 4);

    // invalidate all
    cache.invalidateAll();
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).isEmpty();

    // add 5, 6, 7, 8, 9, 10, 11, 12

    // If the row was previously empty, we check if there's a new row here every time we're queried.
    void updateWholeRowField() {
      if (wholeRow == null || (wholeRow.isEmpty() && backingMap.containsKey(rowKey))) {
        wholeRow = (SortedMap<C, V>) backingMap.get(rowKey);
      }
    }

    @Override
    @CheckForNull
    SortedMap<C, V> computeBackingRowMap() {

      JdkBackedImmutableMultiset.create(ImmutableList.of());

  RegularImmutableMultiset() {}

  static <E> ImmutableMultiset<E> create(Collection<? extends Entry<? extends E>> entries) {
    if (entries.isEmpty()) {
      return ImmutableMultiset.of();
    } else {
      return JdkBackedImmutableMultiset.create(entries);
    }
  }

  @Override
  public int count(@Nullable Object element) {

    this.queue = checkNotNull(queue);
  }

  @Override
  @CheckForNull
  protected T computeNext() {
    // TODO(b/192579700): Use a ternary once it no longer confuses our nullness checker.
    if (queue.isEmpty()) {
      return endOfData();
    }
    return queue.remove();
  }

    TreeSet<Derived> set = Sets.newTreeSet();
    assertTrue(set.isEmpty());
    set.add(new Derived("foo"));
    set.add(new Derived("bar"));
    assertThat(set).containsExactly(new Derived("bar"), new Derived("foo")).inOrder();
  }

  public void testNewTreeSetEmptyNonGeneric() {
    TreeSet<LegacyComparable> set = Sets.newTreeSet();
    assertTrue(set.isEmpty());
    set.add(new LegacyComparable("foo"));

    MavenArtifact(String repositoryUrl, Resource resource) {
        if (repositoryUrl == null) {
            this.repositoryUrl = "";
        } else if (!repositoryUrl.endsWith("/") && !repositoryUrl.isEmpty()) {
            this.repositoryUrl = repositoryUrl + '/';
        } else {
            this.repositoryUrl = repositoryUrl;
        }
        this.resource = resource;

    assertThat(getSubscriber().declaredIn2AnnotatedInClassEvents).contains(EVENT);
  }

  public void testNowhereAnnotated() {
    assertThat(getSubscriber().nowhereAnnotatedEvents).isEmpty();
  }

  @Override
  SubscriberClass createSubscriber() {
    return new SubscriberClass();
  }

  // original character value.
  @VisibleForTesting
  static char[][] createReplacementArray(Map<Character, String> map) {
    checkNotNull(map); // GWT specific check (do not optimize)
    if (map.isEmpty()) {
      return EMPTY_REPLACEMENT_ARRAY;
    }
    char max = max(map.keySet());
    char[][] replacements = new char[max + 1][];
    for (Character c : map.keySet()) {
      replacements[c] = map.get(c).toCharArray();

                // if we're building an argument, keep doing so.
                // if this is the case of "-Dfoo=bar", then we need to adjust the buffer.
                if (!currentArg.isEmpty()) {
                    currentArg.setLength(currentArg.length() - 1);
                }

                cleaned.add(currentArg.toString());

                currentArg = null;
                addedToBuffer = false;