id; } public function getMailing(): ?Mailing { return $this->mailing; } public function setMailing(?Mailing $mailing): self { $this->mailing = $mailing; return $this; } public function getSubject(): ?string { return $this->subject; } public function setSubject(string $subject): self { $this->subject = $subject; return $this; } public function getDate(): ?\DateTimeInterface { return $this->date; } public function setDate(\DateTimeInterface $date): self { $this->date = $date; return $this; } public function getHtmlContent(): ?string { return $this->htmlContent; } public function setHtmlContent(?string $htmlContent): self { $this->htmlContent = $htmlContent; return $this; } public function getTextContent(): ?string { return $this->textContent; } public function setTextContent(?string $textContent): self { $this->textContent = $textContent; return $this; } }