public ConfigFormBase::submitForm(array &$form, FormStateInterface

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

public FormStateDecoratorBase::isValidationEnforced()

public FormState::getTemporary() Gets temporary

public FormStateInterface::setValueForElement(array $element,

public FormStateDecoratorBase::isCached()

public FormStateDecoratorBase::setButtons(array $buttons)

public FormBuilder::prepareForm($form_id, &$form, FormStateInterface &a

Provides access to configuration for forms. This trait provides a config() method that returns override free and mutable config objects if the

public FormState::setTemporary(array $temporary) Sets