public FormBuilderInterface::retrieveForm($form_id, FormStateInterface

public FormStateDecoratorBase::setSubmitHandlers(array

protected FormBuilder::buttonWasClicked($element, FormStateInterface &$

Provides a base class for forms. This class exists as a mid-point between dependency injection through ContainerInjectionInterface, and a less-structured

public FormErrorHandler::handleFormErrors(array &$form, FormStateInterface

public FormCacheInterface::getCache($form_build_id, FormStateInterface

public FormStateDecoratorBase::getRedirect()

public FormStateDecoratorBase::setHasFileElement($has_file_element

public FormStateDecoratorBase::getSubmitHandlers()

public &FormStateDecoratorBase::getUserInput()