if (!referencedPackages.equals(otherBpInfo.referencedPackages)) {
System.out.println("Diff for referenced packages: mine="
+referencedPackages
+", other=" +otherBpInfo.referencedPackages);
final SortedSet all = new TreeSet(referencedPackages);
all.addAll(otherBpInfo.referencedPackages);
final SortedSet tmp = new TreeSet(all);
tmp.removeAll(referencedPackages);
System.out.println(" Other extra referenced packages: " +tmp);
tmp.addAll(all);