<?php  namespace App\Services\Pdf\GeneralReport\Services;  use Illuminate\Support\Collection; use App\Contracts\DemographicDataObject; use App\Services\Pdf\GeneralReport\DataObjects\QualificationDataObject;  class QualificationDemographicDataService extends DemographicGeneralService { 	public function calculate(array $applicants, Collection $demographicQuestions): DemographicDataObject{}  	public function getMetaData(): array{} }