public function run() 	{ 		foreach (DeliveryPrice::getCountries() as $country) { 			DeliveryPrice::create([ 				'country_code' => $country, 				'delivery_service' => DeliveryPrice::DPD, 			]);  			DeliveryPrice::create([ 				'country_code' => $country, 				'delivery_service' => DeliveryPrice::GLS, 			]); 		} 	}