import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
import org.simantics.filesystem.services.sizetracker.DirectorySizeService;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
import org.simantics.filesystem.services.sizetracker.DirectorySizeService;