template<class DerivedWidgetType, class> [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< DerivedWidgetType > TakeAndCacheRow ( WidgetType * Key, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [STableViewBase](API\Runtime\Slate\Widgets\Views\STableViewBase) > & DestinationTable )