public java.util.List<String> getBillingGroupArns() {
        return billingGroupArns;
    }
<p>
The list of Amazon Resource Names (ARNs) used to filter billing groups to retrieve reports.
</p>

@return 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