// now, rewrite all the IDs
IProgressMonitor sub = new SubProgressMonitor(monitor, 50);
sub.beginTask("Rewriting IDs", count);
Set<String> existingIDs = new HashSet<String>();
sub.subTask("Rewriting existing IDs");
{
// first the root InternetApplication
if (model instanceof GeneratedElement) {
GeneratedElement e = (GeneratedElement) model;