docs: public InventoryDeletionSummary withSummaryItems(InventoryDeletionSummaryItem... summaryItems) {
          if (this.summaryItems == null) {
              setSummaryItems(new com.amazonaws.internal.SdkInternalList<InventoryDeletionSummaryItem>(summaryItems.length));
          }
          for (InventoryDeletionSummaryItem ele : summaryItems) {
              this.summaryItems.add(ele);
          }
          return this;
      }