public FormStateInterface::setProcessInput($process_input = TRUE)

public FormStateInterface::setRedirect($route_name, array $route_parameters

public FormStateInterface::setRebuild($rebuild = TRUE)

public FormStateInterface::hasTemporaryValue($key)

public FormStateInterface::cleanValues()

public FormStateInterface::hasValue($key)

public FormStateInterface::isExecuted()

public FormStateInterface::getRebuildInfo()

public &FormStateInterface::getUserInput()

public FormStateInterface::getButtons()