public String getOptionGroupName() {
        return this.optionGroupName;
    }
<p>
The option group to associate the DB cluster with.
</p>
<p>
DB clusters are associated with a default option group that can't be modified.
</p>

@return The option group to associate the DB cluster with.</p>
        <p>
        DB clusters are associated with a default option group that can't be modified.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/CreateDBClusterRequest.java