fixes

Author: justinbeaty

app/code/core/Mage/Core/Model/Config.php

@@ -1308,8 +1308,10 @@ public function getPathVars($args = null)
 
     /**
      * Retrieve class name from config.xml node
+     *
+     * @return string|false
      */
-    public function getNodeClassName(string $path): string
+    public function getNodeClassName(string $path)
     {
         $config = Mage::getConfig()->getNode($path);
         if (!$config) {
@@ -1427,8 +1429,10 @@ public function getHelperClassName($helperAlias)
 
     /**
      * Retrieve helper instance
+     *
+     * @return Mage_Core_Helper_Abstract|false
      */
-    public function getHelperInstance(string $helperAlias): Mage_Core_Helper_Abstract|false
+    public function getHelperInstance(string $helperAlias)
     {
         $className = $this->getHelperClassName($helperAlias);
         if (!class_exists($className)) {
@@ -1525,10 +1529,9 @@ public function getResourceHelperClassName(string $moduleAlias): string|false
     /**
      * Retrieve resource helper instance
      *
-     * @param string $moduleAlias
      * @return Mage_Core_Model_Resource_Helper_Abstract|false
      */
-    public function getResourceHelperInstance(string $moduleAlias): Mage_Core_Model_Resource_Helper_Abstract|false
+    public function getResourceHelperInstance(string $moduleAlias)
     {
         $className = $this->getResourceHelperClassName($moduleAlias);
         if ($className === false || !class_exists($className)) {