code: public function generateStart()
      {
          $this->htmlOptions['data-instructions'] = json_encode($this->refreshInstructions);
          if ($this->lazy) {
              Html::addCssClass($this->htmlOptions, 'widget-lazy');
          }
  
          return parent::generateStart();
      }
docs: [[@doctodo method_description:generateStart]].
  
  @return [[@doctodo return_type:generateStart]] [[@doctodo return_description:generateStart]]