use Symfony\Component\Validator\Exception\NoSuchMetadataException;
use Symfony\Component\Validator\Mapping\Cache\CacheInterface;
use Symfony\Component\Validator\Mapping\ClassMetadata;
-use Symfony\Component\Validator\Mapping\ClassMetadataInterface;
-use Symfony\Component\Validator\Mapping\Loader\LoaderChain;
use Symfony\Component\Validator\Mapping\Loader\LoaderInterface;
/**