public function getLabel(): string 	{ 		return match ($this) { 			self::UNDEFINED => 'N/A', 			self::LEAKING => 'Leaking', 			self::WATER_FLOW => 'Water Flow', 			self::CHARGING => 'Charging', 			self::SWITCH => 'On/Off Switch', 			self::HANDLE => 'Handle/hose', 			self::OTHER => 'Other', 		}; 	}