+import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceTerminationPhaseHandler;
+import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceInitializationPhaseHandler;
+import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceLifecycleSupervisor;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;