public void testIsInstanceOf_serialization() {
    checkSerialization(Predicates.instanceOf(Integer.class));
  }

  @J2ktIncompatible
  @GwtIncompatible // Predicates.subtypeOf
  public void testSubtypeOf_apply() {
    Predicate<Class<?>> isInteger = Predicates.subtypeOf(Integer.class);

    assertTrue(isInteger.apply(Integer.class));
    assertFalse(isInteger.apply(Float.class));