public function getExtraQuestionFiltersIfExists(): array 	{ 		$comparative_filter_values = $this->request->comparative_survey_by_year_filters[$this->client_survey->getKey()]['comparative_filter_values'] ?? []; 		$location_ids = $this->request->comparative_survey_by_year_filters[$this->client_survey->getKey()]['comparative_locations'] ?? []; 		$department_ids = $this->request->comparative_survey_by_year_filters[$this->client_survey->getKey()]['comparative_departments'] ?? [];  		if (count($comparative_filter_values) && $this->group_question_id) { 			unset($comparative_filter_values[$this->group_question_id]); 		}  		if (count($location_ids) == $this->client_survey->locations->count() || count($department_ids) == $this->client_survey->departments->count()) { 			return $this->request->comparative_survey_by_year_filters[$this->client_survey->getKey()]['comparative_filter_values'] ?? []; 		}  		return $comparative_filter_values; 	}