fix for #682

Author: dpotkoc

Controller/Adminhtml/FastlyCdn/Logging/CreateEndpoint.php

@@ -156,8 +156,7 @@ public function execute()
      * @param $conditionName
      * @param $applyIf
      * @param $conditionPriority
-     * @param $selCondition
-     * @return mixed
+     * @return string|null
      * @throws \Magento\Framework\Exception\LocalizedException
      */
     private function createCondition($clone, $conditionName, $applyIf, $conditionPriority)

Controller/Adminhtml/FastlyCdn/Logging/UpdateEndpoint.php

@@ -161,7 +161,7 @@ public function execute()
      * @param $conditionName
      * @param $applyIf
      * @param $conditionPriority
-     * @return mixed
+     * @return string|null
      * @throws \Magento\Framework\Exception\LocalizedException
      */
     private function createCondition($clone, $conditionName, $applyIf, $conditionPriority)