--- /dev/null
+<?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\ExpressionLanguage\ParserCache;
+
+use Symfony\Component\ExpressionLanguage\ParsedExpression;
+
+/**
+ * @author Adrien Brault <adrien.brault@gmail.com>
+ */
+interface ParserCacheInterface
+{
+ /**
+ * Saves an expression in the cache.
+ *
+ * @param string $key The cache key
+ * @param ParsedExpression $expression A ParsedExpression instance to store in the cache
+ */
+ public function save($key, ParsedExpression $expression);
+
+ /**
+ * Fetches an expression from the cache.
+ *
+ * @param string $key The cache key
+ *
+ * @return ParsedExpression|null
+ */
+ public function fetch($key);
+}