code: public function hasResourceInAnnotation($bundle)
      {
          if (!file_exists($this->file)) {
              return false;
          }
  
          $config = Yaml::parse(file_get_contents($this->file));
  
          $search = sprintf('@%s/Controller/', $bundle);
  
          foreach ($config as $resource) {
              if (array_key_exists('resource', $resource)) {
                  return $resource['resource'] === $search;
              }
          }
  
          return false;
      }
docs: Checks if the routing file contains a line for the bundle.
  
  @param string $bundle
  
  @return bool