private function getListViewConfigurationValue($fieldName)
    {
        if (empty($fieldName)) {
            throw new \InvalidArgumentException('$fieldName must not be empty.', 1331489528);
        }

        if (!isset($this->conf['listView.'])
            || !isset($this->conf['listView.'][$fieldName])
        ) {
            return '';
        }

        return $this->conf['listView.'][$fieldName];
    }