public void setTargetKafkaVersion(String targetKafkaVersion) {
        this.targetKafkaVersion = targetKafkaVersion;
    }
<p>
Target Kafka version.
</p>

@param targetKafkaVersion
       <p>
       Target Kafka version.
       </p>
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/UpdateClusterKafkaVersionRequest.java