docs: public DBCluster withDBClusterMembers(DBClusterMember... dBClusterMembers) {
          if (this.dBClusterMembers == null) {
              setDBClusterMembers(new com.amazonaws.internal.SdkInternalList<DBClusterMember>(dBClusterMembers.length));
          }
          for (DBClusterMember ele : dBClusterMembers) {
              this.dBClusterMembers.add(ele);
          }
          return this;
      }