SEQUENTIAL {
      @Override
      final <T extends @Nullable Object, A extends @Nullable Object, R extends @Nullable Object>
          A result(Collector<T, A, R> collector, Iterable<T> inputs) {
        A accum = collector.supplier().get();
        for (T input : inputs) {
          collector.accumulator().accept(accum, input);
        }
        return accum;
      }
    },

    return new ArrayDeque<>();
  }

  /**
   * Creates an {@code ArrayDeque} containing the elements of the specified iterable, in the order
   * they are returned by the iterable's iterator.
   *
   * @since 12.0
   */
  public static <E> ArrayDeque<E> newArrayDeque(Iterable<? extends E> elements) {
    if (elements instanceof Collection) {
      return new ArrayDeque<>((Collection<? extends E>) elements);
    }

    return Reflection.newProxy(List.class, new DelegatingInvocationHandlerWithEquals(delegate));
  }

  @SuppressWarnings("unchecked") // proxy of Iterable<String>
  private static Iterable<String> newDelegatingIterableWithEquals(Iterable<String> delegate) {
    return Reflection.newProxy(Iterable.class, new DelegatingInvocationHandlerWithEquals(delegate));
  }

  @SuppressWarnings("unchecked") // proxy of List<String>

   *
   * <p>Some algorithms that operate on a {@code PredecessorsFunction} may produce undesired results
   * if the returned {@link Iterable} contains duplicate elements. Implementations of such
   * algorithms should document their behavior in the presence of duplicates.
   *
   * <p>The elements of the returned {@code Iterable} must each be:
   *
   * <ul>
   *   <li>Non-null

public class ReflectionTest extends TestCase {

  public void testGetPackageName() throws Exception {
    assertEquals("java.lang", Reflection.getPackageName(Iterable.class));
    assertEquals("java", Reflection.getPackageName("java.MyType"));
    assertEquals("java.lang", Reflection.getPackageName(Iterable.class.getName()));
    assertEquals("", Reflection.getPackageName("NoPackage"));
    assertEquals("java.util", Reflection.getPackageName(Map.Entry.class));

   */
  protected IteratorTester(
      int steps,
      Iterable<? extends IteratorFeature> features,
      Iterable<E> expectedElements,
      KnownOrder knownOrder) {
    super(steps, Collections.singleton(null), features, expectedElements, knownOrder, 0);
  }

  @Override
  protected final Iterable<Stimulus<E, Iterator<E>>> getStimulusValues() {
    return iteratorStimuli();
  }

    assertEquals(1, iterable.count);
  }

  public void testCopyOf_hashMultiset() {
    Multiset<String> iterable = HashMultiset.create(asList("a", "b", "a"));
    Multiset<String> multiset = ImmutableMultiset.copyOf(iterable);
    assertEquals(HashMultiset.create(asList("a", "b", "a")), multiset);
  }

  public void testCopyOf_treeMultiset() {
    Multiset<String> iterable = TreeMultiset.create(asList("a", "b", "a"));

   * is empty.
   *
   * <p>This is equivalent to checking if this range set {@link #encloses} each range in {@code
   * other}.
   *
   * @since 21.0
   */
  default boolean enclosesAll(Iterable<Range<C>> other) {
    for (Range<C> range : other) {
      if (!encloses(range)) {
        return false;
      }
    }
    return true;
  }

  // create(Enum1.class) is equal to create(Enum2.class) but testEquals() expects otherwise.
  // For the same reason, we need to skip create(Iterable, Class).
  private static class EnumMultisetFactory {
    @Keep // used reflectively by testEquals
    public static <E extends Enum<E>> EnumMultiset<E> create(Iterable<E> elements) {
      return EnumMultiset.create(elements);
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection

  }

  // Unsafe, see ImmutableSortedSetFauxverideShim.
  @SuppressWarnings("unchecked")
  public static <E> ImmutableSortedSet<E> copyOf(Iterable<? extends E> elements) {
    return copyOfInternal((Ordering<E>) Ordering.natural(), (Iterable<E>) elements, false);
  }

  // Unsafe, see ImmutableSortedSetFauxverideShim.
  @SuppressWarnings("unchecked")