public function renderDataCell($model, $key, $index)
    {
        if ($this->contentOptions instanceof Closure) {
            $options = call_user_func($this->contentOptions, $model, $key, $index, $this);
        } else {
            $options = $this->contentOptions;
        }

        return Html::tag('td', $this->renderDataCellContent($model, $key, $index), $options);
    }