original_string: protected function _getFilterData()
      {
          $rawFilterData = $this->request->getData();
          $filterData = [];
          foreach ($this->filterFields as $filterField => $options) {
              if (isset($rawFilterData[$filterField]) && $rawFilterData[$filterField] !== '') {
                  $filterData[$filterField] = $rawFilterData[$filterField];
              }
          }
  
          return $filterData;
      }
code: protected function _getFilterData()
      {
          $rawFilterData = $this->request->getData();
          $filterData = [];
          foreach ($this->filterFields as $filterField => $options) {
              if (isset($rawFilterData[$filterField]) && $rawFilterData[$filterField] !== '') {
                  $filterData[$filterField] = $rawFilterData[$filterField];
              }
          }
  
          return $filterData;
      }
code_tokens: protected function _getFilterData ( ) { $ rawFilterData = $ this -> request -> getData ( ) ; $ filterData = [ ] ; foreach ( $ this -> filterFields as $ filterField => $ options ) { if ( isset ( $ rawFilterData [ $ filterField ] ) && $ rawFilterData [ $ filterField ] !== '' ) { $ filterData [ $ filterField ] = $ rawFilterData [ $ filterField ] ; } } return $ filterData ; }
docstring: Get the filter data.
  
  @return array
docstring_tokens: Get the filter data .