public FormStateInterface::getFormObject()

public FormStateInterface::setRedirectUrl(Url $url)

public FormStateInterface::setValidationEnforced($must_validate

public FormStateInterface::addCleanValueKey($key)

public FormStateInterface::getTemporary()

public static FormStateInterface::hasAnyErrors()

public FormStateInterface::clearErrors()

public FormStateInterface::setAlwaysProcess($always_process =

public &FormStateInterface::getGroups()

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