code: @Override
      public java.util.concurrent.Future<DescribeReservedNodeOfferingsResult> describeReservedNodeOfferingsAsync(
              com.amazonaws.handlers.AsyncHandler<DescribeReservedNodeOfferingsRequest, DescribeReservedNodeOfferingsResult> asyncHandler) {
  
          return describeReservedNodeOfferingsAsync(new DescribeReservedNodeOfferingsRequest(), asyncHandler);
      }
docs: Simplified method form for invoking the DescribeReservedNodeOfferings operation with an AsyncHandler.
  
  @see #describeReservedNodeOfferingsAsync(DescribeReservedNodeOfferingsRequest,
  com.amazonaws.handlers.AsyncHandler)