id; } public function setId(?int $id): static { $this->id = $id; return $this; } public function getLabel(): ?string { return $this->label; } public function setLabel(?string $label): static { $this->label = $label; return $this; } public function isSelected(): bool { return $this->selected; } public function setSelected(bool $selected): static { $this->selected = $selected; return $this; } }