public function runFormatter()
 {
     $columns = $this->datatableQuery->getColumns();
     $paginator = $this->datatableQuery->getPaginator();
     $lineFormatter = $this->datatableQuery->getLineFormatter();
     foreach ($paginator as $row) {
         // 1. Call the the lineFormatter to format row items
         if (is_callable($lineFormatter)) {
             $row = call_user_func($lineFormatter, $row);
         }
         foreach ($columns as $column) {
             // 2. Add some special data to the output array. For example, the visibility of actions.
             $column->addDataToOutputArray($row);
             // 3. Call columns renderContent method to format row items (e.g. for images)
             $column->renderContent($row, $this->datatableQuery);
         }
         $this->output['data'][] = $row;
     }
 }