+import org.opendaylight.controller.netconf.impl.mapping.CapabilityProvider;
+import org.opendaylight.controller.netconf.mapping.api.Capability;
+import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
+import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceSnapshot;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;