Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/css-selector/Node/CombinedSelectorNode.php

@@ -0,0 +1,92 @@
+<?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\CssSelector\Node;
+
+/**
+ * Represents a combined node.
+ *
+ * This component is a port of the Python cssselect library,
+ * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
+ *
+ * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
+ */
+class CombinedSelectorNode extends AbstractNode
+{
+    /**
+     * @var NodeInterface
+     */
+    private $selector;
+
+    /**
+     * @var string
+     */
+    private $combinator;
+
+    /**
+     * @var NodeInterface
+     */
+    private $subSelector;
+
+    /**
+     * @param NodeInterface $selector
+     * @param string        $combinator
+     * @param NodeInterface $subSelector
+     */
+    public function __construct(NodeInterface $selector, $combinator, NodeInterface $subSelector)
+    {
+        $this->selector = $selector;
+        $this->combinator = $combinator;
+        $this->subSelector = $subSelector;
+    }
+
+    /**
+     * @return NodeInterface
+     */
+    public function getSelector()
+    {
+        return $this->selector;
+    }
+
+    /**
+     * @return string
+     */
+    public function getCombinator()
+    {
+        return $this->combinator;
+    }
+
+    /**
+     * @return NodeInterface
+     */
+    public function getSubSelector()
+    {
+        return $this->subSelector;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSpecificity()
+    {
+        return $this->selector->getSpecificity()->plus($this->subSelector->getSpecificity());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __toString()
+    {
+        $combinator = ' ' === $this->combinator ? '<followed>' : $this->combinator;
+
+        return sprintf('%s[%s %s %s]', $this->getNodeName(), $this->selector, $combinator, $this->subSelector);
+    }
+}