public function updateApplicantEmails(ClientSurvey $client_survey, UpdateApplicantEmails $request): RedirectResponse 	{ 		$email_languages = [];  		$client_survey->update([ 			'online_applicants_count' => $client_survey->online_applicants_count + count($request->emails), 		]);  		foreach ($request->emails as $applicant_email) { 			$email_languages[$applicant_email] = $request->default_language; 		}  		$client_survey->updateApplicants($request->emails, 0, $email_languages);  		return $this->redirectFromSave(); 	}