diff --git a/core/lib/Drupal/Core/Config/TypedConfigManager.php b/core/lib/Drupal/Core/Config/TypedConfigManager.php
index 64735ad..54c836f 100644
--- a/core/lib/Drupal/Core/Config/TypedConfigManager.php
+++ b/core/lib/Drupal/Core/Config/TypedConfigManager.php
@@ -285,4 +285,18 @@ protected function replaceVariable($value, $data) {
     }
   }
 
+  /**
+   * Checks if the config schema with the given config name exists.
+   *
+   * @param string $name
+   *   Configuration name.
+   *
+   * @return bool
+   *   TRUE if schema exists, FALSE otherwise.
+   */
+  public function hasConfigSchema($name) {
+    $definition = $this->getDefinition($name);
+    return is_array($definition) && $definition['class'] != '\Drupal\Core\Config\Schema\Property';
+  }
+
 }