import org.opendaylight.netconf.nettyutil.AbstractChannelInitializer;
import org.opendaylight.netconf.nettyutil.AbstractNetconfSessionNegotiator;
import org.opendaylight.netconf.nettyutil.handler.exi.NetconfStartExiMessage;
-import org.opendaylight.netconf.util.messages.NetconfHelloMessage;
+import org.opendaylight.netconf.api.messages.NetconfHelloMessage;
import org.opendaylight.netconf.util.messages.NetconfMessageUtil;
import org.opendaylight.netconf.util.xml.XMLNetconfUtil;
import org.opendaylight.netconf.api.NetconfClientSessionPreferences;