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plugins/simplesaml/lib/vendor/symfony/dependency-injection/EnvVarProcessorInterface.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;
+
+use Symfony\Component\DependencyInjection\Exception\RuntimeException;
+
+/**
+ * The EnvVarProcessorInterface is implemented by objects that manage environment-like variables.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+interface EnvVarProcessorInterface
+{
+    /**
+     * Returns the value of the given variable as managed by the current instance.
+     *
+     * @param string                  $prefix The namespace of the variable; when the empty string is passed, null values should be kept as is
+     * @param string                  $name   The name of the variable within the namespace
+     * @param \Closure(string): mixed $getEnv A closure that allows fetching more env vars
+     *
+     * @throws RuntimeException on error
+     */
+    public function getEnv(string $prefix, string $name, \Closure $getEnv): mixed;
+
+    /**
+     * @return array<string, string> The PHP-types managed by getEnv(), keyed by prefixes
+     */
+    public static function getProvidedTypes(): array;
+}