return ((Location) installLocationTracker.getService()).getURL();
return (Location) installLocationTracker.getService();
	public URL getInstallLocation() {		if (installLocationTracker == null) {			Filter filter = null;			try {				filter = bundleContext.createFilter(Location.INSTALL_FILTER);			} catch (InvalidSyntaxException e) {				// should not happen			}			installLocationTracker = new ServiceTracker(bundleContext, filter, null);			installLocationTracker.open();		}		return ((Location) installLocationTracker.getService()).getURL();	}