public FormState::isProcessingInput() Determines

public FormState::setResponse(Response $response) Sets

public FormState::setRebuildInfo(array $rebuild_info) Sets

public FormState::setTemporary(array $temporary) Sets

public FormState::setFormObject(FormInterface $form_object)

public &FormState::getUserInput() Returns

If TRUE, the form has been submitted. Defaults to FALSE. This property is uncacheable. Type:

public FormState::setSubmitted() Sets that

public FormState::hasInvalidToken() Determines

public &FormState::get($property) Gets