protected function upgrade541()
    {
        $result = true;
        $doSave = false;
        $configStore = $this->getConfigStore();
        $values = $configStore->load();
        array_walk_recursive($values, function(&$value) use (&$doSave) {
            if (is_string($value) && strpos($value, 'originalInvoiceSource::') !== false) {
                str_replace('originalInvoiceSource::', 'order::', $value);
                $doSave = true;
            }
        });
        if ($doSave) {
            $result = $this->save($values);
        }

        return $result;
    }