/**
* Saves field settings.
*/
protected function saveFieldSettings(array $settings)
{
$persisted_settings = $this->field->getSettings();
// Override allowed values instead of merging.
foreach (['first', 'second'] as $subfield) {
if (isset($persisted_settings[$subfield]['allowed_values'], $settings[$subfield]['allowed_values'])) {
unset($persisted_settings[$subfield]['allowed_values']);
}
}
$this->field->setSettings(NestedArray::mergeDeep($persisted_settings, $settings));
$this->field->save();
}
