assertFalse(entries.contains(Maps.immutableEntry("foo", singletonList(1))));
    assertFalse(entries.remove(Maps.immutableEntry("foo", singletonList(1))));
    assertFalse(entries.contains(Maps.immutableEntry("foo", new LinkedHashSet<>(asList(1, 2)))));
    assertFalse(entries.remove(Maps.immutableEntry("foo", new LinkedHashSet<>(asList(1, 2)))));
    assertFalse(entries.contains(Maps.immutableEntry("foo", singleton(2))));

    assertTrue(entries.contains(immutableEntry("a", true)));
    assertTrue(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("b", null)));
    assertTrue(
        entries.contains(Maps.<@Nullable String, @Nullable Boolean>immutableEntry(null, null)));

    assertFalse(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("c", null)));

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

    @SuppressWarnings("unchecked")
    @Override

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

      assertThat(cache.asMap().values()).containsExactly(value1, value2);
      assertThat(cache.asMap().entrySet())
          .containsExactly(immutableEntry(key1, value1), immutableEntry(key2, value2));
    }
  }

  public void testInvalidate() {
    for (LoadingCache<Key, String> cache : caches()) {
      Key key1 = new Key(1);
      String value1 = key1.toString();

    assertThat(multimap.entries())
        .containsExactly(
            immutableEntry("foo", 1),
            immutableEntry("foo", 3),
            immutableEntry("foo", 7),
            immutableEntry("google", 2),
            immutableEntry("google", 6),
            immutableEntry("tree", 0),
            immutableEntry("tree", 4))
        .inOrder();
  }

  public void testOrderedValues() {

    assertTrue(entries.contains(immutableEntry("a", true)));
    assertTrue(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("b", null)));
    assertTrue(
        entries.contains(Maps.<@Nullable String, @Nullable Boolean>immutableEntry(null, null)));

    assertFalse(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("c", null)));

    forwarding.put("b", 2);
    assertEquals(immutableEntry("b", 2), forwarding.lastEntry());
    forwarding.put("c", 3);
    assertEquals(immutableEntry("c", 3), forwarding.lastEntry());
    forwarding.put("a", 1);
    assertEquals(immutableEntry("c", 3), forwarding.lastEntry());
    forwarding.remove("c");
    assertEquals(immutableEntry("b", 2), forwarding.lastEntry());
  }

    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Integer.class), null)));
    assertThat(map.get(TypeToken.of(Integer.class))).isNull();
    assertThat(map.getInstance(Integer.class)).isNull();

    map.putInstance(Long.class, null);
    assertTrue(map.containsKey(TypeToken.of(Long.class)));
    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Long.class), null)));

import static com.google.common.base.Predicates.in;
import static com.google.common.base.Predicates.not;
import static com.google.common.collect.CollectPreconditions.checkNonnegative;
import static com.google.common.collect.Maps.immutableEntry;
import static java.util.Collections.emptyList;
import static java.util.Collections.emptySet;
import static java.util.Collections.unmodifiableList;
import static java.util.Collections.unmodifiableSet;