<?php  namespace App\Services\Pdf\GeneralReport\DataObjects;  use App\Contracts\DemographicDataObject as DemographicDataObjectInterface;  class DemographicDataObject { 	public function __construct(protected DemographicDataObjectInterface $genderDataObject, protected DemographicDataObjectInterface $ageDataObject, protected DemographicDataObjectInterface $qualificationDataObject, protected DemographicDataObjectInterface $yearsWorkingDataObject){}  	public function setGenderData(DemographicDataObjectInterface $genderDataObject): void{}  	public function getGenderData(): DemographicDataObjectInterface{}  	public function setAgeData(DemographicDataObjectInterface $ageDataObject): void{}  	public function getAgeData(): DemographicDataObjectInterface{}  	public function setQualificationData(DemographicDataObjectInterface $qualificationDataObject): void{}  	public function getQualificationData(): DemographicDataObjectInterface{}  	public function setYearsWorkingData(DemographicDataObjectInterface $yearsWorkingDataObject): void{}  	public function getYearsWorkingData(): DemographicDataObjectInterface{} }