stan errors

app/Modules/LoanOrder/Repositories/LoanOrderRequiredDocsRepository.php

@@ -3,6 +3,7 @@
 namespace App\Modules\LoanOrder\Repositories;
 
 use App\Modules\LoanOrder\Models\LoanOrderRequiredDocs;
+use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Collection;
 
 class LoanOrderRequiredDocsRepository
@@ -12,13 +13,15 @@ class LoanOrderRequiredDocsRepository
      *
      * @param  int  $id
      */
-    public static function find(int $id)
+    public static function find(int $id): ?Model
     {
         return LoanOrderRequiredDocs::find($id);
     }
 
     /**
      * Values
+     *
+     * @return Collection<array-key, string>|array<int, string>
      */
     public static function values(): Collection|array
     {