<?php/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * 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;use Symfony\Component\Routing\RouteCollection;/** * @author Nicolas Grekas <p@tchwork.com> */class RouteConfigurator{    use Traits\AddTrait;    use Traits\HostTrait;    use Traits\RouteTrait;    protected $parentConfigurator;    public function __construct(RouteCollection $collection, RouteCollection $route, string $name = '', CollectionConfigurator $parentConfigurator = null, array $prefixes = null)    {        $this->collection = $collection;        $this->route = $route;        $this->name = $name;        $this->parentConfigurator = $parentConfigurator; // for GC control        $this->prefixes = $prefixes;    }    /**     * Sets the host to use for all child routes.     *     * @param string|array $host the host, or the localized hosts     *     * @return $this     */    final public function host($host): self    {        $this->addHost($this->route, $host);        return $this;    }}