public void setEngineVersion(String engineVersion) {
        this.engineVersion = engineVersion;
    }
<p>
Version of OpenSearch or Elasticsearch, in the format Elasticsearch_X.Y or OpenSearch_X.Y. Defaults to the latest
version of OpenSearch.
</p>

@param engineVersion
       Version of OpenSearch or Elasticsearch, in the format Elasticsearch_X.Y or OpenSearch_X.Y. Defaults to the
       latest version of OpenSearch.
aws-java-sdk-opensearch/src/main/java/com/amazonaws/services/opensearch/model/PackageDetails.java