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    <h3>Editing: AddTrait.php</h3>
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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Routing\Loader\Configurator\Traits;

use Symfony\Component\Routing\Loader\Configurator\AliasConfigurator;
use Symfony\Component\Routing\Loader\Configurator\CollectionConfigurator;
use Symfony\Component\Routing\Loader\Configurator\RouteConfigurator;
use Symfony\Component\Routing\RouteCollection;

/**
 * @author Nicolas Grekas &lt;p@tchwork.com&gt;
 */
trait AddTrait
{
    use LocalizedRouteTrait;

    /**
     * @var RouteCollection
     */
    protected $collection;
    protected $name = '';
    protected $prefixes;

    /**
     * Adds a route.
     *
     * @param string|array $path the path, or the localized paths of the route
     */
    public function add(string $name, $path): RouteConfigurator
    {
        $parentConfigurator = $this instanceof CollectionConfigurator ? $this : ($this instanceof RouteConfigurator ? $this-&gt;parentConfigurator : null);
        $route = $this-&gt;createLocalizedRoute($this-&gt;collection, $name, $path, $this-&gt;name, $this-&gt;prefixes);

        return new RouteConfigurator($this-&gt;collection, $route, $this-&gt;name, $parentConfigurator, $this-&gt;prefixes);
    }

    public function alias(string $name, string $alias): AliasConfigurator
    {
        return new AliasConfigurator($this-&gt;collection-&gt;addAlias($name, $alias));
    }

    /**
     * Adds a route.
     *
     * @param string|array $path the path, or the localized paths of the route
     */
    public function __invoke(string $name, $path): RouteConfigurator
    {
        return $this-&gt;add($name, $path);
    }
}
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