docs: private static void validateAutoOffsetResetValue(Properties config) {
  		final String val = config.getProperty(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "largest");
  		if (!(val.equals("largest") || val.equals("latest") || val.equals("earliest") || val.equals("smallest"))) {
  			// largest/smallest is kafka 0.8, latest/earliest is kafka 0.9
  			throw new IllegalArgumentException("Cannot use '" + ConsumerConfig.AUTO_OFFSET_RESET_CONFIG
  				+ "' value '" + val + "'. Possible values: 'latest', 'largest', 'earliest', or 'smallest'.");
  		}
  	}