-import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration
-import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration
-import org.opendaylight.controller.sal.binding.api.data.DataProviderService
-import org.opendaylight.controller.sal.binding.api.data.DataBrokerService
-import org.opendaylight.controller.sal.binding.spi.RpcRouter
-import java.util.concurrent.ConcurrentHashMap
-import static com.google.common.base.Preconditions.*
-import org.opendaylight.yangtools.concepts.AbstractObjectRegistration
-import org.opendaylight.yangtools.yang.binding.BaseIdentity
-import com.google.common.collect.Multimap
-import com.google.common.collect.HashMultimap
-import static org.opendaylight.controller.sal.binding.impl.util.ClassLoaderUtils.*
-import java.util.concurrent.Executors
-import java.util.Collections