Provides a link to show or hide help text on administration pages. Usage example:

public static Checkbox::preRenderCheckbox($element)

public Fieldset::getInfo() Returns

public static Link::preRenderLink($element) Pre-render

public Link::getInfo() Returns the element

public static HtmlTag::preRenderConditionalComments($element)

public static Button::preRenderButton($element)

public static RenderElement::processAjaxForm(&$element, FormStateInterface

public static RenderElement::preRenderAjaxForm($element)

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