public Long getLatestNodeStateRequestTime() {
        if (pendingNodeStateRequests.isEmpty()) return null;
        return pendingNodeStateRequests.get(pendingNodeStateRequests.size() - 1).getSecond();
    }
Returns the wanted state set directly by a user (i.e. not configured)
clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/NodeInfo.java