<?php  namespace App\Services\Pdf\GeneralReport\DataObjects;  use App\Contracts\DemographicDataObject;  class YearsWorkingDataObject implements DemographicDataObject { 	protected int $workingUnder2 = 0; 	protected int $working2to5 = 0; 	protected int $working5to10 = 0; 	protected int $working10to20 = 0; 	protected int $workingOver21 = 0;  	public function getWorkingUnder2(): int{}  	public function getWorking2to5(): int{}  	public function getWorking5to10(): int{}  	public function getWorking10to20(): int{}  	public function getWorkingOver21(): int{}  	public function setWorkingUnder2(int $value): void{}  	public function setWorking2to5(int $value): void{}  	public function setWorking5to10(int $value): void{}  	public function setWorking10to20(int $value): void{}  	public function setWorkingOver21(int $value): void{}  	public function hasDataAvailable(): bool{} }