docs: add @phpstan-var non-empty-string

Author: kenjis

system/BaseModel.php

@@ -64,6 +64,7 @@ abstract class BaseModel
      * should be instantiated.
      *
      * @var string
+     * @phpstan-var non-empty-string
      */
     protected $DBGroup;
 

system/Database/Config.php

@@ -39,9 +39,10 @@ class Config extends BaseConfig
     /**
      * Creates the default
      *
-     * @param array|BaseConnection|string|null $group     The name of the connection group to use,
-     *                                                    or an array of configuration settings.
-     * @param bool                             $getShared Whether to return a shared instance of the connection.
+     * @param array|BaseConnection|string|null $group The name of the connection group to use,
+     *                                                or an array of configuration settings.
+     * @phpstan-param array|BaseConnection|non-empty-string|null $group
+     * @param bool $getShared Whether to return a shared instance of the connection.
      *
      * @return BaseConnection
      */
@@ -125,6 +126,8 @@ public static function utils($group = null)
     /**
      * Returns a new instance of the Database Seeder.
      *
+     * @phpstan-param null|non-empty-string $group
+     *
      * @return Seeder
      */
     public static function seeder(?string $group = null)

system/Database/Seeder.php

@@ -26,6 +26,7 @@ class Seeder
      * The name of the database group to use.
      *
      * @var string
+     * @phpstan-var non-empty-string
      */
     protected $DBGroup;
 

system/Test/CIUnitTestCase.php

@@ -134,6 +134,7 @@ abstract class CIUnitTestCase extends TestCase
      * If not present, will use the defaultGroup.
      *
      * @var string
+     * @phpstan-var non-empty-string
      */
     protected $DBGroup = 'tests';