import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
import org.simantics.district.network.ui.breakdown.SubgraphProvider;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
import org.simantics.district.network.ui.breakdown.SubgraphProvider;