public HtmlEscapedText::__toString() Returns

public AttachmentsInterface::addAttachments(array $atta

public static File::processFile(&$element, FormStateInterface $form_state,

public static Tableselect::preRenderTableselect($element)

The cache contexts manager. Type:

public static MachineName::processMachineName(&$element, FormStateInterface

public RendererInterface::renderRoot(&$elements)

Provides an action button form element. When the button is pressed, the form will be submitted to Drupal, where it is validated and rebuilt

The event dispatcher. Type: \Symfony\Component\EventDispatcher\EventDispatcherInterface File

hook_theme_suggestions_HOOK_alter(array &$suggestions, array $variables) Alters named suggestions for a