public Cluster with(BcpGroupInfo bcpGroupInfo) {
        return new Cluster(id, exclusive, min, max, groupSize, required, cloudAccount, suggestions, target, clusterInfo, bcpGroupInfo, scalingEvents);
    }
Returns whether the last scaling event in this has yet to complete.
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/applications/Cluster.java