results example

$regions['sidebar_first'] = $this->updateTasksList('run');
          $output = $this->triggerBatch($request);
          break;

        case 'info':
          $regions['sidebar_first'] = $this->updateTasksList('info');
          $output = $this->info($request);
          break;

        case 'results':
          $regions['sidebar_first'] = $this->updateTasksList('results');
          $output = $this->results($request);
          break;

        // Regular batch ops : defer to batch processing API.         default:
          require_once $this->root . '/core/includes/batch.inc';
          $regions['sidebar_first'] = $this->updateTasksList('run');
          $output = _batch_page($request);
          break;
      }
    }