public FormState::setRebuild($rebuild = TRUE) Sets

protected FormBuilder::handleInputElement($form_id, &$element, FormStateInterface

The CSRF token generator to validate the form token. Type:

public FormStateInterface::setProcessInput($process_input = TRUE)

public ConfirmFormInterface::getFormName()

public FormState::setTriggeringElement($triggering_element)

public FormStateDecoratorBase::isMethodType($method_type)

The array of values as they were submitted by the user. These are raw and unvalidated, so should not be used without a thorough understanding

public FormStateInterface::setProgrammed($programmed = TRUE)

public FormBase::validateForm(array &$form, FormStateInterface $form_state)