Add extra comment.
@@ -72,6 +72,7 @@ public class FastenKafkaPlugin implements FastenServerPlugin {
this.plugin = plugin;
// Override default consumer properties.
+ // 'putAll' will override or add k/v pairs.
consumerProperties.putAll(this.plugin.getConsumerProperties());
this.connection = new KafkaConsumer<>(consumerProperties);
