public void onStop(Object registry) {
public void onStop(IExtensionRegistry registry) {
	public void onStop(Object registry) {		if (pluginBundleListener != null)			Activator.getContext().removeBundleListener(pluginBundleListener);		if (xmlTracker != null) {			xmlTracker.close();			xmlTracker = null;		}		super.onStop(registry);	}