public RuleGroupRuleOptionsPair withRuleGroupArn(String ruleGroupArn) {
        setRuleGroupArn(ruleGroupArn);
        return this;
    }
<p>
The ARN of the rule group.
</p>

@param ruleGroupArn
       The ARN of the rule group.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/RuleGroupRuleOptionsPair.java