public static Range::preRenderRange($element) Prepares

public static Color::validateColor(&$element, FormStateInterface $form_state

Provides a render element for vertical tabs in a form. Formats all child and non-child details elements whose #group is assigned this element's

Provides a link render element. Properties: #title: The link text. #url:

public static FormElement::validatePattern(&$element, FormStateInterface

hook_css_alter(&$css, \Drupal\Core\Asset\AttachedAssetsInterface $assets) Alter CSS files before they are

public static Container::processContainer(&$element, FormStateInterface

Defines an object that passes safe strings through the render system. This object should only be constructed with a known safe string. If there

Provides a render element for adding Ajax to a render element. Holds an array whose values control the Ajax behavior of the element.

public RenderCache::get(array $elements) Gets