code: private String dumpZoneNAryDetails(StoreRoutingPlan storeRoutingPlan) {
          StringBuilder sb = new StringBuilder();
  
          sb.append("\tDetailed Dump (Zone N-Aries):").append(Utils.NEWLINE);
          for(Node node: storeRoutingPlan.getCluster().getNodes()) {
              int zoneId = node.getZoneId();
              int nodeId = node.getId();
              sb.append("\tNode ID: " + nodeId + " in zone " + zoneId).append(Utils.NEWLINE);
              List<Integer> naries = storeRoutingPlan.getZoneNAryPartitionIds(nodeId);
              Map<Integer, List<Integer>> zoneNaryTypeToPartitionIds = new HashMap<Integer, List<Integer>>();
              for(int nary: naries) {
                  int zoneReplicaType = storeRoutingPlan.getZoneNaryForNodesPartition(zoneId,
                                                                                      nodeId,
                                                                                      nary);
                  if(!zoneNaryTypeToPartitionIds.containsKey(zoneReplicaType)) {
                      zoneNaryTypeToPartitionIds.put(zoneReplicaType, new ArrayList<Integer>());
                  }
                  zoneNaryTypeToPartitionIds.get(zoneReplicaType).add(nary);
              }
  
              for(int replicaType: new TreeSet<Integer>(zoneNaryTypeToPartitionIds.keySet())) {
                  sb.append("\t\t" + replicaType + " : ");
                  sb.append(zoneNaryTypeToPartitionIds.get(replicaType).toString());
                  sb.append(Utils.NEWLINE);
              }
          }
  
          return sb.toString();
      }
docs: Dumps the partition IDs per node in terms of zone n-ary type.
  
  @param cluster
  @param storeRoutingPlan
  @return pretty printed string of detailed zone n-ary type.