docs: public Waiter<DescribeBatchPredictionsRequest> batchPredictionAvailable() {
  
          return new WaiterBuilder<DescribeBatchPredictionsRequest, DescribeBatchPredictionsResult>()
                  .withSdkFunction(new DescribeBatchPredictionsFunction(client))
                  .withAcceptors(new BatchPredictionAvailable.IsCOMPLETEDMatcher(), new BatchPredictionAvailable.IsFAILEDMatcher())
                  .withDefaultPollingStrategy(new PollingStrategy(new MaxAttemptsRetryStrategy(60), new FixedDelayStrategy(30)))
                  .withExecutorService(executorService).build();
      }