public void setIr(TopicIR ir) {
        this.ir = ir;
    }
<p>
The ir for the <code>TopicVisual</code>.
</p>

@param ir
       The ir for the <code>TopicVisual</code>.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/TopicVisual.java