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

        this.billingGroupArns = new java.util.ArrayList<String>(billingGroupArns);
    }
<p>
The list of Amazon Resource Names (ARNs) used to filter billing groups to retrieve reports.
</p>

@param billingGroupArns
       The list of Amazon Resource Names (ARNs) used to filter billing groups to retrieve reports.
aws-java-sdk-billingconductor/src/main/java/com/amazonaws/services/billingconductor/model/ListBillingGroupCostReportsFilter.java