public java.util.List<ColumnGroup> getColumnGroups() {
        return columnGroups;
    }
<p>
Groupings of columns that work together in certain Amazon QuickSight features. Currently, only geospatial
hierarchy is supported.
</p>

@return Groupings of columns that work together in certain Amazon QuickSight features. Currently, only geospatial
        hierarchy is supported.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/CreateDataSetRequest.java