in src/main/java/com/googlesource/gerrit/plugins/kafka/subscribe/KafkaEventSubscriber.java [74:80]
public void subscribe(String topic, java.util.function.Consumer<EventMessage> messageProcessor) {
this.topic = topic;
this.messageProcessor = messageProcessor;
logger.atInfo().log(
"Kafka consumer subscribing to topic alias [%s] for event topic [%s]", topic, topic);
runReceiver();
}