public static RenderElement::processGroup(&$element, FormStateInterface

The cache factory. Type:

public RenderCache::get(array $elements) Gets

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

public BubbleableMetadata::addCacheableDependency($other_object)

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

Default main content renderer for HTML requests. For attachment handling of HTML responses: Hierarchy

public RendererInterface::mergeBubbleableMetadata(array $a, array

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

protected Renderer::doRender(&$elements, $is_root_call = FALSE)