public void setTargetGroupArns(java.util.Collection<String> targetGroupArns) {
        if (targetGroupArns == null) {
            this.targetGroupArns = null;
            return;
        }

        this.targetGroupArns = new java.util.ArrayList<String>(targetGroupArns);
    }
<p>
The Amazon Resource Names (ARN) of the target groups.
</p>

@param targetGroupArns
       The Amazon Resource Names (ARN) of the target groups.
aws-java-sdk-elasticloadbalancingv2/src/main/java/com/amazonaws/services/elasticloadbalancingv2/model/DescribeTargetGroupsRequest.java