public FormInterface::validateForm(array &$form, FormStateInterface

protected FormErrorHandler::displayErrorMessages(array $form, FormStateInterface

public FormState::setSubmitted() Sets that

public FormState::setExecuted() Sets that

public FormValidator::executeValidateHandlers(&$form, FormStateInterface

public FormStateDecoratorBase::setRedirect($route_name

If TRUE and the method is GET, a form_id is not necessary. This property is uncacheable. Type:

public FormStateDecoratorBase::setCached($cache = TRUE)

protected FormState::moduleLoadInclude($module, $type, $name = NULL)

public FormInterface::getFormId() Returns