jsonSerialize with correct type

Author: dominikzogg

src/Collection/AbstractCollection.php

@@ -112,7 +112,6 @@ final public function getItems(): array
      */
     final public function jsonSerialize(): array
     {
-        /** @var array<array{id: string, createdAt: \DateTimeInterface, updatedAt: null|\DateTimeInterface, ...}> $items */
         $items = [];
         foreach ($this->items as $item) {
             $items[] = $item->jsonSerialize();

src/Model/ModelInterface.php

@@ -16,4 +16,9 @@ public function setUpdatedAt(\DateTimeInterface $updatedAt): void;
      * @return null|\DateTime|\DateTimeImmutable
      */
     public function getUpdatedAt(): ?\DateTimeInterface;
+
+    /**
+     * @return array{id: string, createdAt: \DateTimeInterface, updatedAt: null|\DateTimeInterface, ...}
+     */
+    public function jsonSerialize(): array;
 }