public FormStateInterface::setStorage(array $storage)

public FormStateInterface::isSubmitted()

public static FormStateInterface::hasAnyErrors()

public FormStateInterface::setResponse(Response $response)

public FormStateInterface::getTemporary()

public FormStateInterface::setAlwaysProcess($always_process =

public FormStateInterface::addCleanValueKey($key)

public FormStateInterface::setRedirectUrl(Url $url)

public FormStateInterface::clearErrors()

public FormStateInterface::setButtons(array $buttons)