Constraint.php

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<?php

declare(strict_types=1);

namespace ILIAS\Refinery;

use ILIAS\Data\Result;
use UnexpectedValueException;

interface Constraint extends Transformation
{
    public function check($value);

    public function accepts($value): bool;

    public function problemWith($value): ?string;

    public function applyTo(Result $result): Result;

    public function withProblemBuilder(callable $builder): self;
}