public GetRuleGroupRequest withARN(String aRN) {
        setARN(aRN);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the entity.
</p>

@param aRN
       The Amazon Resource Name (ARN) of the entity.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-wafv2/src/main/java/com/amazonaws/services/wafv2/model/GetRuleGroupRequest.java