keystoreInstanceServiceTracker = new ServiceTracker<KeystoreInstance, KeystoreInstance>(
context, KeystoreInstance.class, new ServiceTrackerCustomizer<KeystoreInstance, KeystoreInstance>() {
@Override
public KeystoreInstance addingService(ServiceReference<KeystoreInstance> reference) {
KeystoreInstance service = context.getService(reference);
keystoreManager.register(service, null);
return service;
}
@Override
public void modifiedService(ServiceReference<KeystoreInstance> reference, KeystoreInstance service) {