@Override
  public boolean accept(Class<?> c) {
    return AvroKey.class.isAssignableFrom(c) || AvroValue.class.isAssignableFrom(c);
  }
@Test
  void accept() {
    AvroSerialization<CharSequence> serialization = new AvroSerialization<>();

    assertTrue(serialization.accept(AvroKey.class));
    assertTrue(serialization.accept(AvroValue.class));
    assertFalse(serialization.accept(AvroWrapper.class));
    assertFalse(serialization.accept(String.class));
  }