public static RenderElement::preRenderGroup($element)

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

Do not convert the submitted value from the user-supplied path. File core/lib/Drupal/Core/Render/Element/PathElement

Provides a machine name render element. Provides a form element to enter a machine name, which is validated to ensure that the name is unique

Provides a render element for displaying the label for a form element. Labels are generated automatically from element properties during processing

public static Textfield::preRenderTextfield($element)

Provides a form element for entering a password, with hidden text. Usage example:

public Radio::getInfo() Returns the element

public static FormElementInterface::valueCallback(&$element

public static PasswordConfirm::valueCallback(&$element