Provides methods to manage form state values. Hierarchy trait \Drupal\Core\Form\

public FormStateValuesTrait::unsetValue($key)

public FormStateValuesTrait::isValueEmpty($key)

public &FormStateValuesTrait::getValue($key, $default

public FormStateValuesTrait::hasValue($key)

abstract public &FormStateValuesTrait::getValues()

public FormStateValuesTrait::setValueForElement(array $element

public FormStateValuesTrait::setValues(array $values)

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