* @api * @since 100.0.2 */ class Fieldset extends \Magento\Backend\Block\Template implements RendererInterface { /** * @var AbstractElement */ protected $_element; /** * @var string */ protected $_template = 'Magento_Backend::widget/form/renderer/fieldset.phtml'; /** * @return AbstractElement */ public function getElement() { return $this->_element; } /** * @param AbstractElement $element * @return string */ public function render(AbstractElement $element) { $this->_element = $element; return $this->toHtml(); } }