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diff --git a/vendor/symfony/routing/Symfony/Component/Routing/Generator/ConfigurableRequirementsInterface.php b/vendor/symfony/routing/Symfony/Component/Routing/Generator/ConfigurableRequirementsInterface.php
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+++ b/vendor/symfony/routing/Symfony/Component/Routing/Generator/ConfigurableRequirementsInterface.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\Routing\Generator;
+
+/**
+ * ConfigurableRequirementsInterface must be implemented by URL generators that
+ * can be configured whether an exception should be generated when the parameters
+ * do not match the requirements. It is also possible to disable the requirements
+ * check for URL generation completely.
+ *
+ * The possible configurations and use-cases:
+ * - setStrictRequirements(true): Throw an exception for mismatching requirements. This
+ *   is mostly useful in development environment.
+ * - setStrictRequirements(false): Don't throw an exception but return null as URL for
+ *   mismatching requirements and log the problem. Useful when you cannot control all
+ *   params because they come from third party libs but don't want to have a 404 in
+ *   production environment. It should log the mismatch so one can review it.
+ * - setStrictRequirements(null): Return the URL with the given parameters without
+ *   checking the requirements at all. When generating an URL you should either trust
+ *   your params or you validated them beforehand because otherwise it would break your
+ *   link anyway. So in production environment you should know that params always pass
+ *   the requirements. Thus this option allows to disable the check on URL generation for
+ *   performance reasons (saving a preg_match for each requirement every time a URL is
+ *   generated).
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Tobias Schultze <http://tobion.de>
+ */
+interface ConfigurableRequirementsInterface
+{
+    /**
+     * Enables or disables the exception on incorrect parameters.
+     * Passing null will deactivate the requirements check completely.
+     *
+     * @param Boolean|null $enabled
+     */
+    public function setStrictRequirements($enabled);
+
+    /**
+     * Returns whether to throw an exception on incorrect parameters.
+     * Null means the requirements check is deactivated completely.
+     *
+     * @return Boolean|null
+     */
+    public function isStrictRequirements();
+}