/**
* @param CallbackBag $callbackBag
* @return mixed
* @throws \Exception
*/
public function callback(CallbackBag $callbackBag)
{
if (!$callbackBag->argumentExists(0)) {
throw new \InvalidArgumentException($this->getPrefix() . ' accessor needs at least a value!');
}
Hint::validateOrException($callbackBag->getName(), $callbackBag->getArgument(0), $callbackBag->getHint(), $callbackBag->getNullable());
$this->propertyDefault($callbackBag);
$this->updateProperty($callbackBag);
return $callbackBag->getObject();
}
