Actualización

vendor/symfony/dependency-injection/LazyProxy/PhpDumper/DumperInterface.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\LazyProxy\PhpDumper;
+
+use Symfony\Component\DependencyInjection\Definition;
+
+/**
+ * Lazy proxy dumper capable of generating the instantiation logic PHP code for proxied services.
+ *
+ * @author Marco Pivetta <ocramius@gmail.com>
+ */
+interface DumperInterface
+{
+    /**
+     * Inspects whether the given definitions should produce proxy instantiation logic in the dumped container.
+     *
+     * @return bool
+     */
+    public function isProxyCandidate(Definition $definition);
+
+    /**
+     * Generates the code to be used to instantiate a proxy in the dumped factory code.
+     *
+     * @param string $id Service identifier
+     *
+     * @return string
+     */
+    public function getProxyFactoryCode(Definition $definition, $id/**, $factoryCode = null */);
+
+    /**
+     * Generates the code for the lazy proxy.
+     *
+     * @return string
+     */
+    public function getProxyCode(Definition $definition);
+}

vendor/symfony/dependency-injection/LazyProxy/PhpDumper/NullDumper.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\LazyProxy\PhpDumper;
+
+use Symfony\Component\DependencyInjection\Definition;
+
+/**
+ * Null dumper, negates any proxy code generation for any given service definition.
+ *
+ * @author Marco Pivetta <ocramius@gmail.com>
+ *
+ * @final since version 3.3
+ */
+class NullDumper implements DumperInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function isProxyCandidate(Definition $definition)
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getProxyFactoryCode(Definition $definition, $id, $factoryCode = null)
+    {
+        return '';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getProxyCode(Definition $definition)
+    {
+        return '';
+    }
+}