import org.opendaylight.controller.messagebus.spi.EventSource;
import org.opendaylight.controller.messagebus.spi.EventSourceRegistration;
import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
import org.opendaylight.controller.messagebus.spi.EventSource;
import org.opendaylight.controller.messagebus.spi.EventSourceRegistration;
import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
-import com.google.common.base.Preconditions;
-
-
-class EventSourceRegistrationImpl <T extends EventSource> extends AbstractObjectRegistration<T> implements EventSourceRegistration<T>{
+class EventSourceRegistrationImpl<T extends EventSource> extends AbstractObjectRegistration<T>
+ implements EventSourceRegistration<T> {
- * @param instance of EventSource that has been registered by {@link EventSourceRegistryImpl#registerEventSource(Node, EventSource)}
+ * Constructor.
+ *
+ * @param instance of EventSource that has been registered by
+ * {@link EventSourceRegistryImpl#registerEventSource(Node, EventSource)}