//Then
assertThat(actual.sourceKeyType()).isSameAs(Long.class);
assertThat(actual.targetKeyType()).isSameAs(Long.class);
assertThat(actual.sourceValueType()).isSameAs(NamingStrategy.class);
assertThat(actual.targetValueType()).isSameAs(String.class);
}
public static class LongToStringCodec implements Codec<Long, String> {