public FormStateInterface::setTriggeringElement($triggering_element)

public &FormStateDecoratorBase::getValue($key, $default

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

public FormBuilderInterface::doBuildForm($form_id, &$element

protected FormErrorHandler::setElementErrorsFromFormState(array &$elements

Handles form errors. Hierarchy class \Drupal\Core\Form\

public FormErrorHandlerInterface::handleFormErrors(array

public FormState::setValidationComplete($validation_complete = TRUE)

Decorates another form state. Hierarchy class \Drupal\Core\Form\

public FormStateDecoratorBase::setCompleteForm(array