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    <h3>Editing: GuidBuilder.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/**
 * This file is part of the ramsey/uuid library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey &lt;ben@benramsey.com&gt;
 * @license http://opensource.org/licenses/MIT MIT
 */

declare(strict_types=1);

namespace Ramsey\Uuid\Guid;

use Ramsey\Uuid\Builder\UuidBuilderInterface;
use Ramsey\Uuid\Codec\CodecInterface;
use Ramsey\Uuid\Converter\NumberConverterInterface;
use Ramsey\Uuid\Converter\TimeConverterInterface;
use Ramsey\Uuid\Exception\UnableToBuildUuidException;
use Ramsey\Uuid\UuidInterface;
use Throwable;

/**
 * GuidBuilder builds instances of Guid
 *
 * @see Guid
 *
 * @psalm-immutable
 */
class GuidBuilder implements UuidBuilderInterface
{
    /**
     * @var NumberConverterInterface
     */
    private $numberConverter;

    /**
     * @var TimeConverterInterface
     */
    private $timeConverter;

    /**
     * @param NumberConverterInterface $numberConverter The number converter to
     *     use when constructing the Guid
     * @param TimeConverterInterface $timeConverter The time converter to use
     *     for converting timestamps extracted from a UUID to Unix timestamps
     */
    public function __construct(
        NumberConverterInterface $numberConverter,
        TimeConverterInterface $timeConverter
    ) {
        $this-&gt;numberConverter = $numberConverter;
        $this-&gt;timeConverter = $timeConverter;
    }

    /**
     * Builds and returns a Guid
     *
     * @param CodecInterface $codec The codec to use for building this Guid instance
     * @param string $bytes The byte string from which to construct a UUID
     *
     * @return Guid The GuidBuilder returns an instance of Ramsey\Uuid\Guid\Guid
     *
     * @psalm-pure
     */
    public function build(CodecInterface $codec, string $bytes): UuidInterface
    {
        try {
            return new Guid(
                $this-&gt;buildFields($bytes),
                $this-&gt;numberConverter,
                $codec,
                $this-&gt;timeConverter
            );
        } catch (Throwable $e) {
            throw new UnableToBuildUuidException($e-&gt;getMessage(), (int) $e-&gt;getCode(), $e);
        }
    }

    /**
     * Proxy method to allow injecting a mock, for testing
     */
    protected function buildFields(string $bytes): Fields
    {
        return new Fields($bytes);
    }
}
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