phpstan errors

Model/Source/Generic.php

@@ -39,7 +39,8 @@ class Generic implements OptionSourceInterface
     {
         $configData = $this->_shippingBobGo->getCode($this->_code);
         $arr = [];
-        if ($configData) {
+
+        if (is_array($configData)) {
             $arr = array_map(
                 function ($code, $title): array {
                     return [

composer.json

@@ -23,7 +23,7 @@
       "registration.php"
     ],
     "psr-4": {
-      "bobgo\\BobGo\\": ""
+        "BobGroup\\BobGo\\": "Model/Carrier/"
     }
   }
 }