assertEquals(3, data.getValues("key").length);
        assertEquals("value3", data.getValues("key")[0]);
        assertEquals("value5", data.getValues("key")[2]);
    }

    public void test_serializable() {
        // Test that ExtractData is Serializable
        ExtractData data = new ExtractData("content");
        assertTrue(data instanceof java.io.Serializable);
    }

   *
   * <p>In all cases, if {@code C} needs custom logic for testing serialization, you can add an
   * explicit {@code testSerializable()} test in the corresponding {@code CTest} class, and {@code
   * C} will be excluded from automated serialization test performed by this method.
   */
  @Test
  public void testSerializable() throws Exception {
    // TODO: when we use @BeforeClass, we can pay the cost of class path scanning only once.

  public void testSerializableOnReturnValues_good() throws Exception {
    tester.forAllPublicStaticMethods(GoodSerializableFactory.class).testSerializable();
  }

  public static final class GoodSerializableFactory {
    public static Object good(Runnable r) {
      return r;
    }

    public static Object good(AnInterface i) {
      return i;

   *
   * <p>In all cases, if {@code C} needs custom logic for testing serialization, you can add an
   * explicit {@code testSerializable()} test in the corresponding {@code CTest} class, and {@code
   * C} will be excluded from automated serialization test performed by this method.
   */
  @Test
  public void testSerializable() throws Exception {
    // TODO: when we use @BeforeClass, we can pay the cost of class path scanning only once.

    ms.add(Color.BLUE, 3);
    ms.add(Color.YELLOW, 1);
    ms.add(Color.RED, 2);
    assertEquals("[BLUE x 3, RED x 2, YELLOW]", ms.toString());
  }

  @GwtIncompatible // SerializableTester
  public void testSerializable() {
    Multiset<Color> ms = EnumMultiset.create(asList(Color.RED, Color.YELLOW, Color.RED));
    assertEquals(ms, SerializableTester.reserialize(ms));
  }

  public void testEntrySet() {

    Set<Object> uniqueEntries = Sets.newIdentityHashSet();
    uniqueEntries.addAll(bimap.entrySet());
    assertEquals(3, uniqueEntries.size());
  }

  @GwtIncompatible
  @J2ktIncompatible
    public void testSerializable() {
    SerializableTester.reserializeAndAssert(EnumHashBiMap.create(Currency.class));
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public void testNulls() {

  public void testSuppliersSerializable() throws Exception {
    new ClassSanityTester()
        .setDefault(Duration.class, Duration.ofSeconds(1))
        .forAllPublicStaticMethods(Suppliers.class)
        .testSerializable();
  }

  public void testOfInstance_equals() {
    new EqualsTester()
        .addEqualityGroup(Suppliers.ofInstance("foo"), Suppliers.ofInstance("foo"))
        .addEqualityGroup(Suppliers.ofInstance("bar"))

  public void testSuppliersSerializable() throws Exception {
    new ClassSanityTester()
        .setDefault(Duration.class, Duration.ofSeconds(1))
        .forAllPublicStaticMethods(Suppliers.class)
        .testSerializable();
  }

  public void testOfInstance_equals() {
    new EqualsTester()
        .addEqualityGroup(Suppliers.ofInstance("foo"), Suppliers.ofInstance("foo"))
        .addEqualityGroup(Suppliers.ofInstance("bar"))

    Set<Object> uniqueEntries = Sets.newIdentityHashSet();
    uniqueEntries.addAll(bimap.entrySet());
    assertEquals(3, uniqueEntries.size());
  }

  @GwtIncompatible
  @J2ktIncompatible
    public void testSerializable() {
    SerializableTester.reserializeAndAssert(
        EnumBiMap.create(ImmutableMap.of(Currency.DOLLAR, Country.CANADA)));
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection

        .addEqualityGroup(
            new PairedStats(MANY_VALUES_STATS_ITERABLE, MANY_VALUES_STATS_ITERABLE, 1.234))
        .testEquals();
  }

  public void testSerializable() {
    SerializableTester.reserializeAndAssert(MANY_VALUES_PAIRED_STATS);
  }

  public void testToString() {
    assertThat(EMPTY_PAIRED_STATS.toString())