import java.util.Collections;
import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ConsumerContext;
-import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
import org.opendaylight.yangtools.yang.binding.RpcService;