/**
   * Creates a new {@code HashMultiset} containing the specified elements.
   *
   * <p>This implementation is highly efficient when {@code elements} is itself a {@link Multiset}.
   *
   * @param elements the elements that the multiset should contain
   */
  public static <E extends @Nullable Object> HashMultiset<E> create(
      Iterable<? extends E> elements) {

    public Builder<E> add(E... elements) {
      for (E element : elements) {
        add(element);
      }
      return this;
    }

    /**
     * Adds each element of {@code elements} to the {@code ImmutableCollection} being built.
     *
     * <p>Note that each builder class overrides this method in order to covariantly return its own
     * type.
     *
     * @param elements the elements to add

  public void testForEachUnknownOrder() {
    List<E> elements = new ArrayList<>();
    collection.forEach(elements::add);
    assertEqualIgnoringOrder(asList(createSamplesArray()), elements);
  }

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testForEachKnownOrder() {
    List<E> elements = new ArrayList<>();
    collection.forEach(elements::add);
    List<E> expected = copyToList(getOrderedElements());

  /** Returns an iterable whose iterator returns the given elements in order. */
  public static <E extends @Nullable Object> MinimalIterable<E> of(E... elements) {
    // Make sure to get an unmodifiable iterator
    return new MinimalIterable<>(asList(elements).iterator());
  }

  /**
   * Returns an iterable whose iterator returns the given elements in order. The elements are copied

    @DisplayName("Should handle various element counts")
    @ValueSource(ints = { 1, 2, 5, 10, 20, 50, 100 })
    void testJoinWithVariousElementCounts(int count) {
        CharSequence[] elements = new CharSequence[count];
        for (int i = 0; i < count; i++) {
            elements[i] = String.valueOf(i);
        }
        String result = StringUtil.join(",", elements);

        // Verify result contains all elements

 * invoke methods, they invoke methods on the {@code ForwardingNavigableSet}.
 *
 * <p>Each of the {@code standard} methods uses the set's comparator (or the natural ordering of the
 * elements, if there is no comparator) to test element equality. As a result, if the comparator is
 * not consistent with equals, some of the standard implementations may violate the {@code Set}
 * contract.
 *

   * Creates a {@code CompactLinkedHashSet} instance containing the given elements in unspecified
   * order.
   *
   * @param elements the elements that the set should contain
   * @return a new {@code CompactLinkedHashSet} containing those elements (minus duplicates)
   */
  @SafeVarargs
  public static <E extends @Nullable Object> CompactLinkedHashSet<E> create(E... elements) {
    CompactLinkedHashSet<E> set = createWithExpectedSize(elements.length);

   * Creates a {@code CompactLinkedHashSet} instance containing the given elements in unspecified
   * order.
   *
   * @param elements the elements that the set should contain
   * @return a new {@code CompactLinkedHashSet} containing those elements (minus duplicates)
   */
  @SafeVarargs
  public static <E extends @Nullable Object> CompactLinkedHashSet<E> create(E... elements) {
    CompactLinkedHashSet<E> set = createWithExpectedSize(elements.length);

   * unspecified order.
   *
   * @param elements the elements that the set should contain
   * @return a new {@code CompactHashSet} containing those elements (minus duplicates)
   */
  @SafeVarargs
  public static <E extends @Nullable Object> CompactHashSet<E> create(E... elements) {
    CompactHashSet<E> set = createWithExpectedSize(elements.length);

          }
        };
    assertEquals(5, Iterables.size(collection));
  }

  private static <T extends @Nullable Object> Iterable<T> iterable(T... elements) {
    List<T> list = asList(elements);
    return new Iterable<T>() {
      @Override
      public Iterator<T> iterator() {
        return list.iterator();
      }
    };
  }