public FormStateInterface::setGroups(array $groups)

public FormStateInterface::setValue($key, $value)

public FormStateInterface::setCompleteForm(array &$comple

public FormStateInterface::setButtons(array $buttons)

public FormStateInterface::setExecuted()

public FormStateInterface::isSubmitted()

public FormStateInterface::setResponse(Response $response)

public FormStateInterface::setErrorByName($name, $message = '')

public FormStateInterface::prepareCallback($callback)

public FormStateInterface::getLimitValidationErrors()