private static Map<Integer, ContentNodeStats> toEmptyNodeStats(Set<Integer> storageNodes) {
        Map<Integer, ContentNodeStats> mapToNodeStats = new HashMap<>(storageNodes.size());
        for (Integer index : storageNodes) {
            mapToNodeStats.put(index, new ContentNodeStats(index));
        }
        return mapToNodeStats;
    }
Class for storing pending content node stats for all content nodes in the cluster.

@author hakonhall
clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/ContentClusterStats.java