public function handleDemographicQuestions(Request $request, ClientSurvey $survey): void 	{ 		$survey->clientSurveyDemographicQuestions()->whereIn('question_id', $request->demographic_question_removal_ids ?? [])->delete();  		foreach ($request->demographic_question_ids ?? [] as $question_id) { 			$survey->clientSurveyDemographicQuestions()->updateOrCreate([ 				'question_id' => $question_id, 			], []); 		} 	}