import org.opendaylight.controller.sal.common.util.RpcErrors;
import org.opendaylight.controller.sal.common.util.Rpcs;
-import org.opendaylight.controller.sal.connector.remoterpc.dto.CompositeNodeImpl;
import org.opendaylight.controller.sal.core.api.AbstractProvider;
import org.opendaylight.controller.sal.core.api.Broker.ProviderSession;
import org.opendaylight.controller.sal.core.api.Broker.RpcRegistration;