*
   * @throws NullPointerException if any of {@code elements} is null
   */
  public static <E> ImmutableMultiset<E> copyOf(Iterable<? extends E> elements) {
    if (elements instanceof ImmutableMultiset) {
      @SuppressWarnings("unchecked") // all supported methods are covariant
      ImmutableMultiset<E> result = (ImmutableMultiset<E>) elements;
      if (!result.isPartialView()) {
        return result;
      }
    }

   */
  public static <E> ImmutableMultiset<E> copyOf(Iterable<? extends E> elements) {
    if (elements instanceof ImmutableMultiset) {
      @SuppressWarnings("unchecked") // all supported methods are covariant
      ImmutableMultiset<E> result = (ImmutableMultiset<E>) elements;
      if (!result.isPartialView()) {
        return result;
      }
    }
    ImmutableMultiset.Builder<E> builder =

    assertSame(c, ImmutableMultiset.copyOf(c));
  }

  public void testCopyOf_shortcut_immutableMultiset() {
    Collection<String> c = ImmutableMultiset.of("a", "b", "c");
    assertSame(c, ImmutableMultiset.copyOf(c));
  }

  public void testBuilderAdd() {
    ImmutableMultiset<String> multiset =
        new ImmutableMultiset.Builder<String>().add("a").add("b").add("a").add("c").build();

    Multiset<String> unmod = Multisets.unmodifiableMultiset(mod);
    assertNotSame(mod, unmod);
    assertSame(unmod, Multisets.unmodifiableMultiset(unmod));
    ImmutableMultiset<String> immutable = ImmutableMultiset.of("a", "a", "b", "a");
    assertSame(immutable, Multisets.unmodifiableMultiset(immutable));
    assertSame(immutable, Multisets.unmodifiableMultiset((Multiset<String>) immutable));
  }

                  @Override
                  protected Multiset<String> create(String[] elements) {
                    return new StandardImplForwardingMultiset<>(ImmutableMultiset.copyOf(elements));
                  }
                })
            .named("ForwardingMultiset[ImmutableMultiset] with standard " + "implementations")
            .withFeatures(CollectionSize.ANY, CollectionFeature.ALLOWS_NULL_QUERIES)
            .createTestSuite());

    assertEquals(ImmutableSortedMap.of(), ArbitraryInstances.get(ImmutableSortedMap.class));
    assertEquals(ImmutableMultiset.of(), ArbitraryInstances.get(Multiset.class));
    assertEquals(ImmutableMultiset.of(), ArbitraryInstances.get(ImmutableMultiset.class));
    assertTrue(ArbitraryInstances.get(SortedMultiset.class).isEmpty());
    assertEquals(ImmutableMultimap.of(), ArbitraryInstances.get(Multimap.class));

    Multiset<String> unmod = Multisets.unmodifiableMultiset(mod);
    assertNotSame(mod, unmod);
    assertSame(unmod, Multisets.unmodifiableMultiset(unmod));
    ImmutableMultiset<String> immutable = ImmutableMultiset.of("a", "a", "b", "a");
    assertSame(immutable, Multisets.unmodifiableMultiset(immutable));
    assertSame(immutable, Multisets.unmodifiableMultiset((Multiset<String>) immutable));
  }

   * {@code stream.map(function).collect(Collectors.toCollection(supplier))}.
   *
   * <p>To collect to an {@link ImmutableMultiset}, use {@link
   * ImmutableMultiset#toImmutableMultiset}.
   *
   * @since 33.2.0 (available since 22.0 in guava-jre)
   */
  @SuppressWarnings({"AndroidJdkLibsChecker", "Java7ApiChecker"})

        ImmutableSet<Integer> immutableSet,
        SortedSet<Number> sortedSet,
        ImmutableSortedSet<Number> immutableSortedSet,
        Multiset<String> multiset,
        ImmutableMultiset<Integer> immutableMultiset,
        Multimap<String, Integer> multimap,
        ImmutableMultimap<String, Integer> immutableMultimap,
        Table<String, Integer, Exception> table,

    LinkedHashMultiset<E> multiset = LinkedHashMultiset.create();
    multiset.add(freshElement);
    return multiset;
  }

  @Generates
  static <E> ImmutableMultiset<E> generateImmutableMultiset(E freshElement) {
    return ImmutableMultiset.of(freshElement);
  }

  @Generates
  static <E extends Comparable<E>> SortedMultiset<E> generateSortedMultiset(E freshElement) {