Run Rector on your code to see what it can do for you:

 <?php
 
 declare(strict_types=1);
 
-namespace Vendor\Extension\Domain\Model;
-
+namespace Vendor\Extension\Domain\Model;
+
+use GeorgRinger\News\Domain\Model\FileReference;
+use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
+
 class News extends \GeorgRinger\News\Domain\Model\News
 {
-    protected ?\GeorgRinger\News\Domain\Model\FileReference $headerImage = null;
+    protected ?FileReference $headerImage = null;
 
     /**
      * @var \TYPO3\CMS\Extbase\Persistence\ObjectStorage<\Bobosch\OdsOsm\Domain\Model\Location>
      */
-    protected \TYPO3\CMS\Extbase\Persistence\ObjectStorage $locations;
+    protected ObjectStorage $locations;
 
     public function __construct()
     {
-        $this->locations = new \TYPO3\CMS\Extbase\Persistence\ObjectStorage();
+        $this->locations = new ObjectStorage();
     }
     
     /**
      * @return \GeorgRinger\News\Domain\Model\FileReference|null
      */
-    public function getHeaderImage(): ?\GeorgRinger\News\Domain\Model\FileReference
+    public function getHeaderImage(): ?FileReference
     {
         return $this->headerImage;
     }
      * @param \GeorgRinger\News\Domain\Model\FileReference|null $headerImage
      * @return void
      */
-    public function setHeaderImage(?\GeorgRinger\News\Domain\Model\FileReference $headerImage): void
+    public function setHeaderImage(?FileReference $headerImage): void
     {
         $this->headerImage = $headerImage;
     }
 
-    public function getLocations(): \TYPO3\CMS\Extbase\Persistence\ObjectStorage
+    public function getLocations(): ObjectStorage
     {
         return $this->locations;
     }
     /**
      * @var \TYPO3\CMS\Extbase\Persistence\ObjectStorage<\Bobosch\OdsOsm\Domain\Model\Location>
      */
-    public function setLocations(?\TYPO3\CMS\Extbase\Persistence\ObjectStorage $locations): void
+    public function setLocations(?ObjectStorage $locations): void
     {
         $this->locations = $locations;
     }
 }
PHP snippet to change
Config  rector.php
Rector version: 367edb - released at 2026-01-28 17:10