public void setResourceArn(String resourceArn) {
        this.resourceArn = resourceArn;
    }
<p>
The <code>KeyARN</code> of the key whose tags are being removed.
</p>

@param resourceArn
       The <code>KeyARN</code> of the key whose tags are being removed.
aws-java-sdk-paymentcryptography/src/main/java/com/amazonaws/services/paymentcryptography/model/UntagResourceRequest.java