public String getOptionGroupArn() {
        return this.optionGroupArn;
    }
<p>
Specifies the Amazon Resource Name (ARN) for the option group.
</p>

@return Specifies the Amazon Resource Name (ARN) for the option group.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/OptionGroup.java