public function getEnpsData(ClientSurvey $client_survey): array 	{ 		$enps_service = new IzzPdfEnpsCalculationService;  		$enps_score = $enps_service->calculateEnpsGrade($client_survey); 		$enps_percentage_data = $enps_service->calculatePercentageDataForEnpsGradeCalculation($client_survey);  		return [ 			'enps_score' => $enps_score, 			'enps_percentage_data' => $enps_percentage_data, 		]; 	}