docs: public Waiter<DescribeEndpointRequest> endpointDeleted() {
  
          return new WaiterBuilder<DescribeEndpointRequest, DescribeEndpointResult>().withSdkFunction(new DescribeEndpointFunction(client))
                  .withAcceptors(new EndpointDeleted.IsValidationExceptionMatcher(), new EndpointDeleted.IsFailedMatcher())
                  .withDefaultPollingStrategy(new PollingStrategy(new MaxAttemptsRetryStrategy(60), new FixedDelayStrategy(30)))
                  .withExecutorService(executorService).build();
      }