/**
* {@inheritdoc}
*/
public function getOptionsResolver()
{
if (null === $this->optionsResolver) {
if (null !== $this->parent) {
$this->optionsResolver = clone $this->parent->getOptionsResolver();
} else {
$this->optionsResolver = new OptionsResolver();
}
$this->innerType->configureOptions($this->optionsResolver);
foreach ($this->typeExtensions as $extension) {
$extension->configureOptions($this->optionsResolver);
}
}
return $this->optionsResolver;
}
