code: @Deprecated
      public Set<InetAddress> clusterNodes() {
          Set<InetAddress> nodes = new HashSet<InetAddress>();
          for (NetworkAddress na : clusterNodes) {
              try {
                  nodes.add(InetAddress.getByName(na.address()));
              } catch (UnknownHostException e) {
                  throw new IllegalStateException(e);
              }
  
          }
          return nodes;
      }
docs: Returns the {@link InetAddress} of all nodes that are part of the cluster config.
  
  @deprecated please use {@link #clusterNodesAsNetworkAddress()} instead.