/**
* Determine if the type is an actual extensible data interface.
*
* @param string $typeName
* @return bool
*/
private function isExtensibleAttributesImplemented($typeName)
{
try {
$this->extensionAttributesFactory->getExtensibleInterfaceName($typeName);
return true;
} catch (\LogicException $e) {
return false;
}
}
