/**
 * An immutable {@code Map.Entry}, used both by {@link
 * com.google.common.collect.Maps#immutableEntry(Object, Object)} and by other parts of {@code
 * common.collect} as a superclass.
 */
@GwtCompatible(serializable = true)
@ElementTypesAreNonnullByDefault
class ImmutableEntry<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractMapEntry<K, V> implements Serializable {

/**
 * An immutable {@code Map.Entry}, used both by {@link
 * com.google.common.collect.Maps#immutableEntry(Object, Object)} and by other parts of {@code
 * common.collect} as a superclass.
 */
@GwtCompatible(serializable = true)
@ElementTypesAreNonnullByDefault
class ImmutableEntry<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractMapEntry<K, V> implements Serializable {

    assertEquals(Maps.immutableEntry("foo", 5), entryIterator.next());
    assertEquals(Maps.immutableEntry("bar", 4), entryIterator.next());
    assertEquals(Maps.immutableEntry("foo", 3), entryIterator.next());
    assertEquals(Maps.immutableEntry("cow", 2), entryIterator.next());
    assertEquals(Maps.immutableEntry("bar", 1), entryIterator.next());

    assertThat(transformed.entries())
        .containsExactly(
            immutableEntry("a", 4),
            immutableEntry("a", 16),
            immutableEntry("b", 9),
            immutableEntry("b", 9),
            immutableEntry("c", 36))
        .inOrder();
  }

  @GwtIncompatible(value = "untested")
  public void testTransformValuesIsView() {

    public SampleElements<Entry<Class, Impl>> samples() {
      return new SampleElements<>(
          immutableEntry((Class) One.class, new Impl(1)),
          immutableEntry((Class) Two.class, new Impl(2)),
          immutableEntry((Class) Three.class, new Impl(3)),
          immutableEntry((Class) Four.class, new Impl(4)),
          immutableEntry((Class) Five.class, new Impl(5)));
    }

    @Override
    @SuppressWarnings("unchecked")

            Maps.<@Nullable String, Integer>immutableEntry(null, 7),
            Maps.<@Nullable String, Integer>immutableEntry(null, 3),
            Maps.<@Nullable String, Integer>immutableEntry(null, 1),
            Maps.<String, @Nullable Integer>immutableEntry("tree", null),
            Maps.immutableEntry("tree", 0),
            Maps.immutableEntry("google", 6),
            Maps.immutableEntry("google", 2))
        .inOrder();
  }

    assertThat(map.entrySet())
        .containsExactly(Maps.immutableEntry("one", 1), Maps.immutableEntry("three", 3))
        .inOrder();
  }

  public void testHeadMapExclusive() {
    Map<String, Integer> map =
        ImmutableSortedMap.of("one", 1, "two", 2, "three", 3).headMap("three", false);
    assertThat(map.entrySet()).containsExactly(Maps.immutableEntry("one", 1));
  }

  public void testTailMapInclusive() {

        ImmutableList.of(
            Maps.immutableEntry("foo", 99),
            Maps.immutableEntry("foo", 88),
            Maps.immutableEntry("bar", 77));

    for (final int startIndex : new int[] {0, 3, 5}) {
      List<Entry<String, Integer>> list =
          Lists.newArrayList(
              Maps.immutableEntry("foo", 2),
              Maps.immutableEntry("foo", 3),
              Maps.immutableEntry("bar", 4),

    getMultiset()
        .forEachEntry((element, count) -> actual.add(Multisets.immutableEntry(element, count)));
    assertEquals(expected, actual);
  }

  public void testForEachEntryDuplicates() {
    initThreeCopies();
    List<Entry<E>> expected = Collections.singletonList(Multisets.immutableEntry(e0(), 3));
    List<Entry<E>> actual = new ArrayList<>();
    getMultiset()

    public SampleElements<Entry<Country, String>> samples() {
      return new SampleElements<>(
          Maps.immutableEntry(Country.CANADA, "DOLLAR"),
          Maps.immutableEntry(Country.CHILE, "PESO"),
          Maps.immutableEntry(Country.UK, "POUND"),
          Maps.immutableEntry(Country.JAPAN, "YEN"),
          Maps.immutableEntry(Country.SWITZERLAND, "FRANC"));
    }

    @SuppressWarnings("unchecked")
    @Override