docs: public void setClusterDbRevisions(java.util.Collection<ClusterDbRevision> clusterDbRevisions) {
          if (clusterDbRevisions == null) {
              this.clusterDbRevisions = null;
              return;
          }
  
          this.clusterDbRevisions = new com.amazonaws.internal.SdkInternalList<ClusterDbRevision>(clusterDbRevisions);
      }