public void setRuleGroupArn(String ruleGroupArn) {
        this.ruleGroupArn = ruleGroupArn;
    }
<p>
The Amazon Resource Name (ARN) of the rule group.
</p>
<note>
<p>
If this response is for a create request that had <code>DryRun</code> set to <code>TRUE</code>, then this ARN is
a placeholder that isn't attached to a valid resource.
</p>
</note>

@param ruleGroupArn
       The Amazon Resource Name (ARN) of the rule group.</p> <note>
       <p>
       If this response is for a create request that had <code>DryRun</code> set to <code>TRUE</code>, then this
       ARN is a placeholder that isn't attached to a valid resource.
       </p>
aws-java-sdk-networkfirewall/src/main/java/com/amazonaws/services/networkfirewall/model/RuleGroupResponse.java