in src/main/java/org/apache/sling/distribution/journal/kafka/KafkaClientProvider.java [217:226]
private Map<String, Object> consumerConfig(Object deserializer, String consumerGroupId, Reset reset) {
Map<String, Object> config = commonConfig();
config.put(GROUP_ID_CONFIG, consumerGroupId);
config.put(ENABLE_AUTO_COMMIT_CONFIG, false);
config.put(DEFAULT_API_TIMEOUT_MS_CONFIG, defaultApiTimeout);
config.put(KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);
config.put(VALUE_DESERIALIZER_CLASS_CONFIG, deserializer);
config.put(AUTO_OFFSET_RESET_CONFIG, reset.name());
return config;
}