id; } public function setLibelle(?string $libelle): self { $this->libelle = $libelle; return $this; } public function getLibelle(): ?string { return $this->libelle; } public function getReferenceMateriel(): ?ReferenceMateriel { return $this->referenceMateriel; } public function setReferenceMateriel(?Category $referenceMateriel): self { $this->referenceMateriel = $referenceMateriel; return $this; } public function __construct() { $this->locale = "en"; } } ?>