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

public FormStateDecoratorBase::setErrorByName($name, $message

public &FormStateDecoratorBase::getTriggeringElement()

public FormStateDecoratorBase::setCached($cache = TRUE)

public FormStateDecoratorBase::setValue($key, $value)

public FormStateDecoratorBase::setBuildInfo(array $bu

public &FormStateDecoratorBase::get($property)

public FormStateDecoratorBase::getTemporary()

public FormStateDecoratorBase::setInvalidToken($inval

public FormStateDecoratorBase::setButtons(array $buttons)