.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())

 *
 * <pre>
 * new ClassSanityTester()
 *     .forAllPublicStaticMethods(Books.class)
 *     .thatReturn(Book.class)
 *     .testEquals(); // or testNulls(), testSerializable() etc.
 * </pre>
 *
 * @author Ben Yu
 * @since 14.0
 */
@GwtIncompatible
@J2ktIncompatible
@NullUnmarked
@SuppressWarnings("nullness")
public final class ClassSanityTester {

    assertEquals(
        new TypeToken<Map<String, Integer>>() {},
        new IKnowMyType<Map<String, Integer>>() {}.type());
  }

  public <A extends Iterable<? extends String>, B extends A> void testSerializable() {
    reserialize(TypeToken.of(String.class));
    reserialize(TypeToken.of(String.class).getTypes());
    reserialize(TypeToken.of(String.class).getTypes().classes());