vendor/symfony/config/Definition/Builder/NormalizationBuilder.php line 39
<?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\Config\Definition\Builder;/*** This class builds normalization conditions.** @author Johannes M. Schmitt <schmittjoh@gmail.com>*/class NormalizationBuilder{protected $node;public $before = [];public $declaredTypes = [];public $remappings = [];public function __construct(NodeDefinition $node){$this->node = $node;}/*** Registers a key to remap to its plural form.** @param string $key The key to remap* @param string|null $plural The plural of the key in case of irregular plural** @return $this*/public function remap(string $key, string $plural = null): static{$this->remappings[] = [$key, null === $plural ? $key.'s' : $plural];return $this;}/*** Registers a closure to run before the normalization or an expression builder to build it if null is provided.** @return ExprBuilder|$this*/public function before(\Closure $closure = null): ExprBuilder|static{if (null !== $closure) {$this->before[] = $closure;return $this;}return $this->before[] = new ExprBuilder($this->node);}}