<?php  namespace App\Services\Applicants;  use App\Models\Answer; use App\Models\Domain; use App\Models\Applicant; use App\Models\ClientSurvey; use App\Services\ClientSurveys\ClientSurveyPpiService;  class ApplicantPpiService { 	public function handleUpdateOrCreateAnswers(array $request, Applicant $applicant, ClientSurvey $client_survey): void{}  	public function isInFillablePeriod(ClientSurvey $client_survey): bool{}  	public function isOnCorrectDomain(ClientSurvey $client_survey, Domain $domain): bool{} }