diff --git a/core/lib/Drupal/Core/Config/TypedConfigManager.php b/core/lib/Drupal/Core/Config/TypedConfigManager.php
index 64735ad..9228d7d 100644
--- a/core/lib/Drupal/Core/Config/TypedConfigManager.php
+++ b/core/lib/Drupal/Core/Config/TypedConfigManager.php
@@ -285,4 +285,20 @@ protected function replaceVariable($value, $data) {
     }
   }
 
+  /**
+   * Checks if the configuration schema with the given config name exists.
+   *
+   * @param string $name
+   *   Configuration name.
+   *
+   * @return bool
+   *   TRUE if configuration schema exists, FALSE otherwise.
+   */
+  public function hasConfigSchema($name) {
+    // The schema system falls back on the Property class for unknown types.
+    // See http://drupal.org/node/1905230
+    $definition = $this->getDefinition($name);
+    return is_array($definition) && $definition['class'] != '\Drupal\Core\Config\Schema\Property';
+  }
+
 }