public function getFeedEntryItems() { $firstRecord = new Record(); $firstRecord->setMimeType('application/pdf'); $secondRecord = new Record(); $secondRecord->setMimeType('text/plain'); $first = new FeedEntryItem(); $second = new FeedEntryItem(); $first->setRecord($firstRecord); $second->setRecord($secondRecord); return new ArrayCollection([$first, $second]); }