public function toggleRelevancyOnOtherSurveys(Survey $survey): void 	{ 		if ($survey->relevant) { 			$other_surveys = Survey::where('year', now()->year) 			->whereNot(function ($query) use ($survey) { 				$query->where('id', $survey->getKey()); 			})->where('type', $survey->type) 			->get();  			foreach ($other_surveys as $survey) { 				$survey->update([ 					'relevant' => false, 				]); 			} 		} 	}