MAGETWO-93192: Config backend models are not populated with fieldset data

Author: dhorytskyi

app/code/Magento/Config/Model/Config.php

@@ -340,6 +340,7 @@ private function getChangedPaths(
      * @param \Magento\Framework\DB\Transaction $deleteTransaction
      * @return void
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     * @SuppressWarnings(PHPMD.NPathComplexity)
      */
     protected function _processGroup(
         $groupId,