import io.netty.buffer.ByteBuf;
-import org.opendaylight.openflowjava.protocol.api.extensibility.MessageTypeKey;
import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
+import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
import org.opendaylight.yangtools.yang.binding.DataObject;
/**