docs: public Cluster withDeferredMaintenanceWindows(DeferredMaintenanceWindow... deferredMaintenanceWindows) {
          if (this.deferredMaintenanceWindows == null) {
              setDeferredMaintenanceWindows(new com.amazonaws.internal.SdkInternalList<DeferredMaintenanceWindow>(deferredMaintenanceWindows.length));
          }
          for (DeferredMaintenanceWindow ele : deferredMaintenanceWindows) {
              this.deferredMaintenanceWindows.add(ele);
          }
          return this;
      }