valueStr = clusterMapper.writeCluster((Cluster) value.getValue());
} else if(STORES_KEY.equals(key)) {
valueStr = storeMapper.writeStoreList((List<StoreDefinition>) value.getValue());
} else if(REBALANCING_STEAL_INFO.equals(key)) {
RebalancerState rebalancerState = (RebalancerState) value.getValue();
valueStr = rebalancerState.toJsonString();
} else if(SERVER_STATE_KEY.equals(key) || NODE_ID_KEY.equals(key)
|| SLOP_STREAMING_ENABLED_KEY.equals(key)
|| PARTITION_STREAMING_ENABLED_KEY.equals(key)
|| READONLY_FETCH_ENABLED_KEY.equals(key)) {
valueStr = value.getValue().toString();