code: @Override
      public java.util.concurrent.Future<BatchGetItemResult> batchGetItemAsync(java.util.Map<String, KeysAndAttributes> requestItems,
              String returnConsumedCapacity) {
  
          return batchGetItemAsync(new BatchGetItemRequest().withRequestItems(requestItems).withReturnConsumedCapacity(returnConsumedCapacity));
      }
docs: Simplified method form for invoking the BatchGetItem operation.
  
  @see #batchGetItemAsync(BatchGetItemRequest)