import io.netty.util.Timer;
import io.netty.util.concurrent.Promise;
import org.junit.Test;
-import org.opendaylight.netconf.util.messages.NetconfHelloMessageAdditionalHeader;
+import org.opendaylight.netconf.api.messages.NetconfHelloMessageAdditionalHeader;
import org.opendaylight.protocol.framework.SessionListenerFactory;
import org.opendaylight.protocol.framework.SessionNegotiator;