Add phpstan

modules/opd_daily_emails/src/Collection/DailyEmailCollection.php

@@ -8,6 +8,9 @@ use Drupal\node\NodeInterface;
 
 final class DailyEmailCollection implements \Countable {
 
+  /**
+   * @param array<positive-int, NodeInterface> $emails
+   */
   public function __construct(
     private array $emails,
   ) {

modules/opd_daily_emails/src/Repository/DailyEmailNodeRepository.php

@@ -27,6 +27,8 @@ final class DailyEmailNodeRepository implements DailyEmailRepositoryInterface {
     $query->accessCheck(TRUE);
 
     $nodeIds = $query->execute();
+
+    /** @var NodeInterface[] */
     $nodes = $nodeStorage->loadMultiple($nodeIds);
 
     return new DailyEmailCollection($nodes);