public void setColumnHierarchies(java.util.Collection<ColumnHierarchy> columnHierarchies) {
        if (columnHierarchies == null) {
            this.columnHierarchies = null;
            return;
        }

        this.columnHierarchies = new java.util.ArrayList<ColumnHierarchy>(columnHierarchies);
    }
<p>
The column hierarchy that is used during drill-downs and drill-ups.
</p>

@param columnHierarchies
       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