resolver.prepare(
dstate.features.values(),
request.requirements,
apply(unmanagedBundles, adapt(BundleRevision.class))
);
Set<String> prereqs = resolver.collectPrerequisites();
if (!prereqs.isEmpty()) {
for (Iterator<String> iterator = prereqs.iterator(); iterator.hasNext(); ) {
String prereq = iterator.next();
String[] parts = prereq.split("/");
VersionRange range;