docs: protected static boolean isRecoverableException(AmazonServiceException ex) {
  		if (ex.getErrorType() == null) {
  			return false;
  		}
  
  		switch (ex.getErrorType()) {
  			case Client:
  				return ex instanceof ProvisionedThroughputExceededException;
  			case Service:
  			case Unknown:
  				return true;
  			default:
  				return false;
  		}
  	}