code: public function getFilterSettings()
      {
          $s = [];
          $s['type'] = $this->filterType;
          $s['input'] = $this->filterInputType;
          $selectValues = $this->filterValues;
          if ($selectValues) {
              $s['values'] = $selectValues;
          }
  
          return $s;
      }
docs: Get filter settings.
  
  @return [[@doctodo return_type:getFilterSettings]] [[@doctodo return_description:getFilterSettings]]