@VisibleForTesting
  void updateQueueLoadMap(ServerLocation location, float load, float loadPerConnection) {
    Map<ServerLocation, LoadHolder> groupMap = queueLoadMap.get(null);
    LoadHolder holder = groupMap.get(location);
    if (holder != null) {
      holder.setLoad(load, loadPerConnection);
    }
  }
Test hook to get the current load for all servers Returns a map of ServerLocation->Load for
each server.
geode-core/src/main/java/org/apache/geode/distributed/internal/LocatorLoadSnapshot.java