+ * <p>
+ * If the completion stage returned by this interface's methods fails with a
+ * {@link org.opendaylight.controller.cluster.access.concepts.RequestException}, it will be forwarded to all
+ * outstanding requests towards the leader. If it fails with a {@link java.util.concurrent.TimeoutException},
+ * resolution process will be retried. If it fails with any other cause, it will we wrapped as a
+ * {@link org.opendaylight.controller.cluster.access.concepts.RuntimeRequestException} wrapping that cause.
+ *