public function resolveType($object)
{
$humans = StarWarsData::humans();
$droids = StarWarsData::droids();
$id = isset($object['id']) ? $object['id'] : $object;
if (isset($humans[$id])) {
return new HumanType();
}
if (isset($droids[$id])) {
return new DroidType();
}
return null;
}