diff --git a/core/lib/Drupal/Core/Config/ConfigFactoryInterface.php b/core/lib/Drupal/Core/Config/ConfigFactoryInterface.php
index b8608a0..b1c1d98 100644
--- a/core/lib/Drupal/Core/Config/ConfigFactoryInterface.php
+++ b/core/lib/Drupal/Core/Config/ConfigFactoryInterface.php
@@ -136,6 +136,6 @@ public function addOverride(ConfigFactoryOverrideInterface $config_factory_overr
    *
    * @throws \Drupal\Core\Config\ConfigExistsException
    */
-  public function importNewConfig($name, $path);
+  public function importNewConfig($name, $path, $trusted_data = FALSE);
 
 }