@Override
    protected void configure() {
        KafkaHelper.resolveListeners(this, this.listeners);
    }
Testcontainers implementation for Confluent Kafka.
<p>
Supported image: {@code confluentinc/cp-kafka}
<p>
Exposed ports: 9092
modules/kafka/src/main/java/org/testcontainers/kafka/ConfluentKafkaContainer.java