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

        this.regions = new java.util.ArrayList<String>(regions);
    }
<p>
The list of excluded Regions or included Regions.
</p>

@param regions
       The list of excluded Regions or included Regions.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/GetFindingAggregatorResult.java