id; } public function setId(int $id): self { $this->id = $id; return $this; } public function getRef(): string { return $this->ref; } public function setRef(string $ref): self { $this->ref = $ref; return $this; } public function getDate(): \DateTime { return $this->date; } public function setDate(\DateTime $date): self { $this->date = $date; return $this; } }