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