public FormStateInterface::getErrors()

public FormStateInterface::getButtons()

public FormStateInterface::isProcessingInput()

public &FormStateInterface::getStorage()

public FormStateInterface::cleanValues()

public FormStateInterface::getRebuildInfo()

public FormStateInterface::hasValue($key)

public FormStateInterface::hasTemporaryValue($key)

public &FormStateInterface::getUserInput()

public FormStateInterface::isExecuted()