code: public function getCell()
      {
          if (is_null($this->_gridCell)) {
              $gridCellClass = $this->owner->gridCellClass;
              $objectSettings = $this->owner->gridCellSettings;
              $objectSettings['class'] = $gridCellClass;
              $objectSettings['content'] = $this->owner->cellContent;
              $this->_gridCell = Yii::createObject($objectSettings);
          }
  
          return $this->_gridCell;
      }
docs: Get cell.
  
  @return [[@doctodo return_type:getCell]] [[@doctodo return_description:getCell]]