docs: public DescribeMaintenanceWindowsResult withWindowIdentities(MaintenanceWindowIdentity... windowIdentities) {
          if (this.windowIdentities == null) {
              setWindowIdentities(new com.amazonaws.internal.SdkInternalList<MaintenanceWindowIdentity>(windowIdentities.length));
          }
          for (MaintenanceWindowIdentity ele : windowIdentities) {
              this.windowIdentities.add(ele);
          }
          return this;
      }