use Symfony\Component\Validator\Constraints\Callback;
use Symfony\Component\Validator\Constraints\Choice;
use Symfony\Component\Validator\Constraints\Collection;
+use Symfony\Component\Validator\Constraints\IsTrue;
use Symfony\Component\Validator\Constraints\NotNull;
use Symfony\Component\Validator\Constraints\Range;
-use Symfony\Component\Validator\Constraints\IsTrue;
use Symfony\Component\Validator\Mapping\ClassMetadata;
use Symfony\Component\Validator\Mapping\Loader\YamlFileLoader;
use Symfony\Component\Validator\Tests\Fixtures\ConstraintA;