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vendor/symfony/dependency-injection/Extension/ConfigurableExtensionInterface.php

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+<?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\DependencyInjection\Extension;
+
+use Symfony\Component\Config\Definition\ConfigurableInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+
+/**
+ * @author Yonel Ceruto <yonelceruto@gmail.com>
+ */
+interface ConfigurableExtensionInterface extends ConfigurableInterface
+{
+    /**
+     * Allows an extension to prepend the extension configurations.
+     */
+    public function prependExtension(ContainerConfigurator $container, ContainerBuilder $builder): void;
+
+    /**
+     * Loads a specific configuration.
+     */
+    public function loadExtension(array $config, ContainerConfigurator $container, ContainerBuilder $builder): void;
+}