The asset resolver service. Type:

Provides helper methods for Drupal render elements. Hierarchy class \Drupal\Core\Render\

public RenderableInterface::toRenderable()

public static Textarea::valueCallback(&$element, $input, FormStateInterface

public static Url::validateUrl(&$element, FormStateInterface $form_state, &am

public Label::getInfo() Returns the element

public static Details::preRenderDetails($element)

public static Button::processButton(&$element, FormStateInterface $form_state

public PlaceholderGenerator::createPlaceholder(array $element)

protected Renderer::ensureMarkupIsSafe(array $elements)