$clicks */ public function __construct( NewsletterEntity $newsletter, StatisticsOpenEntity $open, array $clicks = [] ) { $this->newsletter = $newsletter; $this->open = $open; $this->clicks = $clicks; } public function getNewsletter(): NewsletterEntity { return $this->newsletter; } /** * @return StatisticsOpenEntity|null */ public function getOpen() { return $this->open; } /** * @return StatisticsClickEntity[] */ public function getClicks(): array { return $this->clicks; } }