public function collect(Resource $resource)
{
$serializer = $resource->getSerializer();
$collections = new ProcessingCollections($serializer->getName(), $this->registry->resolveNestedSerializers($serializer));
// Load direct children of the resource into collections
if ($resource instanceof ResourceCollection) {
foreach ($resource as $item) {
$collections->process($serializer, $item);
}
} else {
$collections->process($serializer, $resource->unwrap());
}
$collections->processNested();
return $collections->toResourceCollections();
}
