/** * @param string $groupName * @param string[] $rowNameSuffixes * * @return $this * @throws \Exception */ public function addRowGroup($groupName, $rowNameSuffixes) { $this->rows->addGroup($groupName, $rowNameSuffixes); return $this; }
/** * @param string $groupName * @param string[] $colNameSuffixes * * @return $this * @throws \Exception */ function addColGroup($groupName, array $colNameSuffixes) { $this->columns->addGroup($groupName, $colNameSuffixes); return $this; }