code: public function setSubFolders(array $subFolders)
      {
          $this->subFolders = [];
  
          foreach ($subFolders as $item) {
              $this->addFolderResponse($item);
          }
  
          return $this;
      }
docs: Sets the "subFolders" of the FolderResponse.
  
  @param FolderResponse[] $subFolders
  
  @return FolderResponse