public void setTypeName(String typeName) {
        this.typeName = typeName;
    }
<p>
The Amazon OpenSearch Service type name. For Elasticsearch 6.x, there can be only one type per index. If you try
to specify a new type for an existing index that already has another type, Firehose returns an error during run
time.
</p>

@param typeName
       The Amazon OpenSearch Service type name. For Elasticsearch 6.x, there can be only one type per index. If
       you try to specify a new type for an existing index that already has another type, Firehose returns an
       error during run time.
aws-java-sdk-kinesis/src/main/java/com/amazonaws/services/kinesisfirehose/model/AmazonopensearchserviceDestinationConfiguration.java