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<?php
namespace Storeman\Validation\Constraints;
use Symfony\Component\Validator\Constraint;
abstract class ServiceExists extends Constraint
{
/**
* Has to return a string prefix which in conjunction with the validated value has to exist as a service name.
*
* @return string
*/
abstract public function getPrefix(): string;
abstract public function getMessage(): string;
* {@inheritdoc}
final public function validatedBy()
return ExistingServiceValidator::class;
}