ServiceRegistration[] regs = new ServiceRegistration[2];
ExportedServiceTracker export = new ExportedServiceTracker(ctx,
registry, intents, configs);
export.open();
trackers.put(registry, export);
ImportedServiceFindHook find = new ImportedServiceFindHook(watcher);
regs[0] = ctx.registerService(FindHook.class.getName(), find, null);