code: public function widgets()
      {
          $widgets = [];
          $className = $this->widgetNamespace . '\\' . 'Content';
          @class_exists($className);
          if (class_exists($className, false)) {
              $summaryWidget = [];
              $id = $this->systemId . 'Content';
              $summaryWidget['widget'] = [
                  'class' => $className,
                  'icon' => $this->icon,
                  'owner' => $this,
              ];
              $summaryWidget['locations'] = $this->locations;
              $summaryWidget['priority'] = $this->priority;
              $widgets[$id] = $summaryWidget;
          }
          //\d($widgets);exit;
          return $widgets;
      }
docs: [[@doctodo method_description:widgets]].
  
  @return [[@doctodo return_type:widgets]] [[@doctodo return_description:widgets]]