id; } public function getTitle(): ?string { return $this->title; } public function setTitle(string $title): static { $this->title = $title; return $this; } public function getDescription(): ?string { return $this->description; } public function setDescription(string $description): static { $this->description = $description; return $this; } public function getKeywords(): ?string { return $this->keywords; } public function setKeywords(string $keywords): static { $this->keywords = $keywords; return $this; } }