public void setOptionGroupName(String optionGroupName) {
        this.optionGroupName = 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>

@param optionGroupName
       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