import org.opendaylight.netconf.mapping.api.NetconfOperationService;
import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactory;
import org.opendaylight.netconf.nettyutil.handler.exi.NetconfStartExiMessage;
-import org.opendaylight.netconf.util.messages.NetconfHelloMessageAdditionalHeader;
+import org.opendaylight.netconf.api.messages.NetconfHelloMessageAdditionalHeader;
import org.opendaylight.netconf.util.messages.NetconfMessageUtil;
import org.opendaylight.netconf.util.test.XmlFileLoader;
import org.opendaylight.netconf.api.NetconfMessage;