import com.google.common.base.Optional;
import io.netty.util.HashedWheelTimer;
import org.opendaylight.controller.config.stat.ConfigProvider;
-import org.opendaylight.controller.netconf.impl.*;
+import org.opendaylight.controller.netconf.impl.DefaultCommitNotificationProducer;
+import org.opendaylight.controller.netconf.impl.NetconfServerDispatcher;
+import org.opendaylight.controller.netconf.impl.NetconfServerSessionListenerFactory;
+import org.opendaylight.controller.netconf.impl.NetconfServerSessionNegotiatorFactory;
+import org.opendaylight.controller.netconf.impl.SessionIdProvider;
import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil;
import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil.TLSConfiguration;
import org.osgi.framework.BundleActivator;