docs: public Waiter<DescribeFleetsRequest> fleetStarted() {
  
          return new WaiterBuilder<DescribeFleetsRequest, DescribeFleetsResult>().withSdkFunction(new DescribeFleetsFunction(client))
                  .withAcceptors(new FleetStarted.IsACTIVEMatcher(), new FleetStarted.IsPENDING_DEACTIVATEMatcher(), new FleetStarted.IsINACTIVEMatcher())
                  .withDefaultPollingStrategy(new PollingStrategy(new MaxAttemptsRetryStrategy(40), new FixedDelayStrategy(30)))
                  .withExecutorService(executorService).build();
      }