diff --git a/core/lib/Drupal/Core/PathProcessor/NullPathProcessorManager.php b/core/lib/Drupal/Core/PathProcessor/NullPathProcessorManager.php
new file mode 100644
index 0000000..d2bbb12
--- /dev/null
+++ b/core/lib/Drupal/Core/PathProcessor/NullPathProcessorManager.php
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\PathProcessor\NullPathProcessorManager.
+ */
+
+namespace Drupal\Core\PathProcessor;
+
+use Drupal\Core\Render\BubbleableMetadata;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Provides a null implementation of the path processor manager.
+ *
+ * This can be used for example in really early installer phases.
+ */
+class NullPathProcessorManager implements InboundPathProcessorInterface, OutboundPathProcessorInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function processInbound($path, Request $request) {
+    return $path;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function processOutbound($path, &$options = array(), Request $request = NULL, BubbleableMetadata $bubbleable_metadata = NULL) {
+    return $path;
+  }
+
+}