Provides helper methods for Drupal render elements. Hierarchy class \Drupal\Core\Render\
public static Element::getVisibleChildren(array $elements)
public static Element::child($key) Checks
public static Element::properties(array $element) Gets
public static Element::property($key) Checks
public static Element::isEmpty(array $elements) Indicates
public static Element::isVisibleElement($element) Determines
public static Element::children(array &$elements, $sort = FALSE)
public static Element::setAttributes(array &$element, array $map)