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

public static VerticalTabs::processVerticalTabs(&$element, FormStateInterface

public Fieldgroup::getInfo() Returns

Provides a render element for a details element, similar to a fieldset. Fieldsets can only be used in forms, while details elements can be used

public static Date::preRenderDate($element) Adds

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

Provides a base class for form element plugins. Form elements are a subset of render elements, representing elements for HTML forms, which can

Provides an HTML5 input element with type of "search". Usage example:

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

public static Password::preRenderPassword($element)