id; } public function getKey(): ?string { return $this->key; } public function setKey(string $key): static { $this->key = $key; return $this; } public function getValue(): ?string { return $this->value; } public function setValue(string $value): static { $this->value = $value; return $this; } public function getSection(): ?string { return $this->section; } public function setSection(?string $section): static { $this->section = $section; return $this; } }