[BUGFIX] PHP 7.3 fixes

Classes/Controller/NewsFeedController.php

@@ -38,7 +38,7 @@ class NewsFeedController extends AbstractController {
 	/**
 	 * @var NewsRepository
 	 */
-	protected NewsRepository $newsRepository;
+	protected $newsRepository;
 
 	/**
 	 * @param NewsRepository $newsRepository

Classes/Hooks/PageLayoutView/PluginRenderer.php

@@ -35,7 +35,7 @@ use TYPO3\CMS\Fluid\View\StandaloneView;
  * @package SGalinski\SgNews\Hook\PagelayoutView\PluginRenderer
  */
 class PluginRenderer implements PageLayoutViewDrawItemHookInterface {
-	protected PreviewService $previewService;
+	protected $previewService;
 
 	public function init() {
 		$this->previewService = GeneralUtility::makeInstance(PreviewService::class);

Classes/Paginator/QueryBuilderPaginator.php

@@ -38,7 +38,7 @@ final class QueryBuilderPaginator extends AbstractPaginator {
 	/**
 	 * @var int
 	 */
-	protected int $totalItems = 0;
+	protected $totalItems = 0;
 
 	public function __construct(
 		\TYPO3\CMS\Core\Database\Query\QueryBuilder $queryBuilder,

Classes/Preview/PreviewRenderer.php

@@ -34,9 +34,12 @@ class PreviewRenderer implements PreviewRendererInterface {
 	/**
 	 * @var LanguageService $languageService
 	 */
-	protected LanguageService $languageService;
+	protected $languageService;
 
-	protected PreviewService $previewService;
+	/**
+	 * @var PreviewService
+	 */
+	protected $previewService;
 
 	public function __construct(LanguageService $languageService, PreviewService $previewService) {
 		$this->previewService = $previewService;