docs: public DescribeClusterDbRevisionsResult withClusterDbRevisions(ClusterDbRevision... clusterDbRevisions) {
          if (this.clusterDbRevisions == null) {
              setClusterDbRevisions(new com.amazonaws.internal.SdkInternalList<ClusterDbRevision>(clusterDbRevisions.length));
          }
          for (ClusterDbRevision ele : clusterDbRevisions) {
              this.clusterDbRevisions.add(ele);
          }
          return this;
      }