diff --git a/core/lib/Drupal/Core/Config/Schema/TypedConfigInterface.php b/core/lib/Drupal/Core/Config/Schema/TypedConfigInterface.php
index 740fde1..a1e183a 100644
--- a/core/lib/Drupal/Core/Config/Schema/TypedConfigInterface.php
+++ b/core/lib/Drupal/Core/Config/Schema/TypedConfigInterface.php
@@ -56,4 +56,12 @@ public function get($name);
    */
   public function toArray();
 
+  /**
+   * Gets the typed configuration manager.
+   *
+   * @return \Drupal\Core\Config\TypedConfigManagerInterface
+   *   The typed data manager.
+   */
+  public function getTypedConfigManager();
+
 }