diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/DependencyInjection/Compiler/ServiceReferenceGraphEdge.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/DependencyInjection/Compiler/ServiceReferenceGraphEdge.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,70 @@
+<?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\Compiler;
+
+/**
+ * Represents an edge in your service graph.
+ *
+ * Value is typically a reference.
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class ServiceReferenceGraphEdge
+{
+    private $sourceNode;
+    private $destNode;
+    private $value;
+
+    /**
+     * Constructor.
+     *
+     * @param ServiceReferenceGraphNode $sourceNode
+     * @param ServiceReferenceGraphNode $destNode
+     * @param string $value
+     */
+    public function __construct(ServiceReferenceGraphNode $sourceNode, ServiceReferenceGraphNode $destNode, $value = null)
+    {
+        $this->sourceNode = $sourceNode;
+        $this->destNode = $destNode;
+        $this->value = $value;
+    }
+
+    /**
+     * Returns the value of the edge
+     *
+     * @return ServiceReferenceGraphNode
+     */
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    /**
+     * Returns the source node
+     *
+     * @return ServiceReferenceGraphNode
+     */
+    public function getSourceNode()
+    {
+        return $this->sourceNode;
+    }
+
+    /**
+     * Returns the destination node
+     *
+     * @return ServiceReferenceGraphNode
+     */
+    public function getDestNode()
+    {
+        return $this->destNode;
+    }
+}