docs: public DBCluster withDBClusterOptionGroupMemberships(DBClusterOptionGroupStatus... dBClusterOptionGroupMemberships) {
          if (this.dBClusterOptionGroupMemberships == null) {
              setDBClusterOptionGroupMemberships(new com.amazonaws.internal.SdkInternalList<DBClusterOptionGroupStatus>(dBClusterOptionGroupMemberships.length));
          }
          for (DBClusterOptionGroupStatus ele : dBClusterOptionGroupMemberships) {
              this.dBClusterOptionGroupMemberships.add(ele);
          }
          return this;
      }