original_string: private function setShadowDistance($distance)
      {
          if ($distance !== null) {
              $this->shadowProperties['distance'] = (string) $this->getExcelPointsWidth($distance);
          }
  
          return $this;
      }
code: private function setShadowDistance($distance)
      {
          if ($distance !== null) {
              $this->shadowProperties['distance'] = (string) $this->getExcelPointsWidth($distance);
          }
  
          return $this;
      }
code_tokens: private function setShadowDistance ( $ distance ) { if ( $ distance !== null ) { $ this -> shadowProperties [ 'distance' ] = ( string ) $ this -> getExcelPointsWidth ( $ distance ) ; } return $ this ; }
docstring: Set Shadow Distance
  
  @param float $distance
  
  @return PHPExcel_Chart_Axis
docstring_tokens: Set Shadow Distance