public java.util.List<ColumnHierarchy> getColumnHierarchies() {
        return columnHierarchies;
    }
<p>
The column hierarchy that is used during drill-downs and drill-ups.
</p>

@return The column hierarchy that is used during drill-downs and drill-ups.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/HeatMapVisual.java