The factory for expirable key value stores used by form cache. Type:

abstract public &FormStateValuesTrait::getValues()

public FormStateInterface::setRebuildInfo(array $rebuild_info)

public FormStateInterface::getAlwaysProcess()

public static ConfirmFormHelper::buildCancelLink(ConfirmFormInterface

public FormStateDecoratorBase::setRedirectUrl(Url $url)

public ConfirmFormInterface::getCancelText()

protected FormValidator::doValidateForm(&$elements, FormStateInterface

public FormValidatorInterface::setInvalidTokenError(FormStateInterface

public FormStateInterface::setTriggeringElement($triggering_element)