return new OSGiPreferencesServiceImpl(new File(prefsDir, getBundleDirName(bundle)));
String qualifier = getQualifier(bundle);  prefBundles.put(qualifier, ""); try { prefBundles.flush(); } catch (BackingStoreException e) {  }  return new OSGiPreferencesServiceImpl(new ConfigurationScope().getNode(getQualifier(bundle)));
	public Object getService(Bundle bundle, ServiceRegistration registration) {		return new OSGiPreferencesServiceImpl(new File(prefsDir, getBundleDirName(bundle)));	}