+import org.eclipse.gemini.blueprint.context.BundleContextAware;
+import org.eclipse.gemini.blueprint.context.event.OsgiBundleApplicationContextEvent;
+import org.eclipse.gemini.blueprint.context.event.OsgiBundleApplicationContextListener;
+import org.eclipse.gemini.blueprint.context.event.OsgiBundleContextClosedEvent;
+import org.eclipse.gemini.blueprint.context.event.OsgiBundleContextFailedEvent;
+import org.eclipse.gemini.blueprint.context.event.OsgiBundleContextRefreshedEvent;
+import org.eclipse.gemini.blueprint.util.OsgiBundleUtils;
+import org.eclipse.gemini.blueprint.util.OsgiFilterUtils;