public function getClientSurveysWithRanks(Collection $client_surveys, ?string $locale = null): Collection 	{ 		$data = collect();  		foreach ($client_surveys as $survey) { 			$values = $this->calculateClientSurveyFinalGradeExcel($survey, $locale); 			$data->push(new ExtendedClientSurvey($survey, collect($values))); 		}  		return $data; 	}