docs: public Cluster withClusterNodes(ClusterNode... clusterNodes) {
          if (this.clusterNodes == null) {
              setClusterNodes(new com.amazonaws.internal.SdkInternalList<ClusterNode>(clusterNodes.length));
          }
          for (ClusterNode ele : clusterNodes) {
              this.clusterNodes.add(ele);
          }
          return this;
      }