import org.opendaylight.openflowplugin.impl.registry.flow.FlowRegistryKeyFactory;
import org.opendaylight.openflowplugin.impl.registry.group.DeviceGroupRegistryImpl;
import org.opendaylight.openflowplugin.impl.registry.meter.DeviceMeterRegistryImpl;
-import org.opendaylight.openflowplugin.impl.rpc.RpcContextImpl;
import org.opendaylight.openflowplugin.impl.util.DeviceInitializationUtils;
import org.opendaylight.openflowplugin.impl.util.MdSalRegistrationUtils;
import org.opendaylight.openflowplugin.openflow.md.core.session.SwitchConnectionCookieOFImpl;