public void setEngineVersion(String engineVersion) {
        this.engineVersion = engineVersion;
    }
<p>
The Elasticache engine version to which the update applies. Either Redis OSS or Memcached engine version.
</p>

@param engineVersion
       The Elasticache engine version to which the update applies. Either Redis OSS or Memcached engine version.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/ServiceUpdate.java