public FormStateInterface::isValueEmpty($key)

public FormStateInterface::getAlwaysProcess()

public FormStateInterface::addBuildInfo($property, $value)

public FormStateInterface::setValueForElement(array $element,

public FormStateInterface::isRebuilding()

public FormStateInterface::getCleanValueKeys()

public FormStateInterface::addRebuildInfo($property, $value)

public FormStateInterface::getBuildInfo()

public FormStateInterface::setValidateHandlers(array $validat

public FormStateInterface::setHasFileElement($has_file_element