public String getRegionLinkingMode() {
        return this.regionLinkingMode;
    }
<p>
Indicates whether to link all Regions, all Regions except for a list of excluded Regions, or a list of included
Regions.
</p>

@return Indicates whether to link all Regions, all Regions except for a list of excluded Regions, or a list of
        included Regions.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/UpdateFindingAggregatorResult.java