}
private static Collator<byte[], Object, Set<byte[]>> createCollator(Cache<byte[], ?> cache) {
CompatibilityModeConfiguration compatibility = cache.getCacheConfiguration().compatibility();
boolean enabled = compatibility.enabled();
return enabled ? new CompatibilityCollator<byte[]>(compatibility.marshaller())
: new KeysCollator<byte[]>();
}
private static class KeyMapper<K> implements Mapper<K, Object, K, Object> {