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vendor/symfony/dependency-injection/Loader/Configurator/Traits/ParentTrait.php

@@ -0,0 +1,55 @@
+<?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\Loader\Configurator\Traits;
+
+use Symfony\Component\DependencyInjection\ChildDefinition;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+
+/**
+ * @method $this parent(string $parent)
+ */
+trait ParentTrait
+{
+    /**
+     * Sets the Definition to inherit from.
+     *
+     * @param string $parent
+     *
+     * @return $this
+     *
+     * @throws InvalidArgumentException when parent cannot be set
+     */
+    final protected function setParent($parent)
+    {
+        if (!$this->allowParent) {
+            throw new InvalidArgumentException(sprintf('A parent cannot be defined when either "_instanceof" or "_defaults" are also defined for service prototype "%s".', $this->id));
+        }
+
+        if ($this->definition instanceof ChildDefinition) {
+            $this->definition->setParent($parent);
+        } elseif ($this->definition->isAutoconfigured()) {
+            throw new InvalidArgumentException(sprintf('The service "%s" cannot have a "parent" and also have "autoconfigure". Try disabling autoconfiguration for the service.', $this->id));
+        } elseif ($this->definition->getBindings()) {
+            throw new InvalidArgumentException(sprintf('The service "%s" cannot have a "parent" and also "bind" arguments.', $this->id));
+        } else {
+            // cast Definition to ChildDefinition
+            $definition = serialize($this->definition);
+            $definition = substr_replace($definition, '53', 2, 2);
+            $definition = substr_replace($definition, 'Child', 44, 0);
+            $definition = unserialize($definition);
+
+            $this->definition = $definition->setParent($parent);
+        }
+
+        return $this;
+    }
+}