public DocumentIdOptions getDocumentIdOptions() {
        return this.documentIdOptions;
    }
<p>
Indicates the method for setting up document ID. The supported methods are Firehose generated document ID and
OpenSearch Service generated document ID.
</p>

@return Indicates the method for setting up document ID. The supported methods are Firehose generated document ID
        and OpenSearch Service generated document ID.
aws-java-sdk-kinesis/src/main/java/com/amazonaws/services/kinesisfirehose/model/ElasticsearchDestinationDescription.java