original_string: public function setUserId( $userId )
      {
          $this->_user    = null;
          $this->userId   = ( (int) $userId ) ?: null;
          return $this;
      }
code: public function setUserId( $userId )
      {
          $this->_user    = null;
          $this->userId   = ( (int) $userId ) ?: null;
          return $this;
      }
code_tokens: public function setUserId ( $ userId ) { $ this -> _user = null ; $ this -> userId = ( ( int ) $ userId ) ? : null ; return $ this ; }
docstring: Set user-id
  
  @param int $userId
  @return \Grid\Paragraph\Model\Paragraph\Structure\Content
docstring_tokens: Set user - id