updatedAt; } /** * @param DateTimeInterface|null $updatedAt * * @return self */ public function setUpdatedAt(?DateTimeInterface $updatedAt): self { $this->updatedAt = $updatedAt; return $this; } /** * @return DateTimeInterface|null */ public function getCreatedAt(): ?DateTimeInterface { return $this->createdAt; } /** * @param DateTimeInterface|null $createdAt * * @return self */ public function setCreatedAt(?DateTimeInterface $createdAt): self { $this->createdAt = $createdAt; return $this; } }