Update phpstan.neon and FinderRepository.

phpstan.neon

@@ -1,12 +1,9 @@
 includes:
 	- vendor/yii2-extensions/phpstan/extension.neon
+
 parameters:
     dynamicConstantNames:
         - YII_DEBUG
-        - YII_ENV
-        - YII_ENV_DEV
-        - YII_ENV_PROD
-        - YII_ENV_TEST
 
     level: 5
 

src/Repository/FinderRepository.php

@@ -19,12 +19,12 @@ public function findAll(ActiveRecordInterface $ar): array
         return $ar->find()->all();
     }
 
-    public function findById(ActiveRecordInterface $ar, int $id, string $key = 'id'): ActiveRecordInterface|array|null
+    public function findById(ActiveRecordInterface $ar, int $id, string $key = 'id'): ActiveRecordInterface|null
     {
         return $this->findByOneCondition($ar, [$key => $id]);
     }
 
-    public function findByOneCondition(ActiveRecordInterface $ar, array $condition): ActiveRecordInterface|array|null
+    public function findByOneCondition(ActiveRecordInterface $ar, array $condition): ActiveRecordInterface|null
     {
         return $ar->findOne($condition);
     }

src/Repository/FinderRepositoryInterface.php

@@ -37,19 +37,19 @@ public function findAll(ActiveRecordInterface $ar): array;
      * @param int $id The primary key value.
      * @param string $key The name of the primary key attribute (default is 'id').
      *
-     * @return ActiveRecordInterface|array|null The found record, or null if not found.
+     * @return ActiveRecordInterface|null The found record, or null if not found.
      */
-    public function findById(ActiveRecordInterface $ar, int $id, string $key = 'id'): ActiveRecordInterface|array|null;
+    public function findById(ActiveRecordInterface $ar, int $id, string $key = 'id'): ActiveRecordInterface|null;
 
     /**
      * Find a single record by a specific condition.
      *
      * @param ActiveRecordInterface $ar The ActiveRecord model class.
      * @param array $condition The condition to search by.
      *
-     * @return ActiveRecordInterface|array|null The found record, or null if not found.
+     * @return ActiveRecordInterface|null The found record, or null if not found.
      */
-    public function findByOneCondition(ActiveRecordInterface $ar, array $condition): ActiveRecordInterface|array|null;
+    public function findByOneCondition(ActiveRecordInterface $ar, array $condition): ActiveRecordInterface|null;
 
     /**
      * Find records that match a set of conditions.