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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\DependencyInjection\Argument;

use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;

/**
 * Represents a service wrapped in a memoizing closure.
 *
 * @author Nicolas Grekas <[email protected]>
 */
class ServiceClosureArgument implements ArgumentInterface
{
    private array $values;

    public function __construct(mixed $value)
    {
        $this->values = [$value];
    }

    public function getValues(): array
    {
        return $this->values;
    }

    /**
     * @return void
     */
    public function setValues(array $values)
    {
        if ([0] !== array_keys($values)) {
            throw new InvalidArgumentException('A ServiceClosureArgument must hold one and only one value.');
        }

        $this->values = $values;
    }
}