* 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},
* 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},