Provides a render element for a form. Plugin annotation @RenderElement("form")

public Table::getInfo() Returns the element

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

public static Date::processDate(&$element, FormStateInterface $form_state,

public static Date::preRenderDate($element) Adds

public static Weight::processWeight(&$element, FormStateInterface $form_state

Provides a form element for input of multiple-line text. Properties: #rows: Number of

public static Element::setAttributes(array &$element, array $map)

Provides an interface for render element plugins. Render element plugins allow modules to declare their own Render API element types and specify

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