...
 viewportLayer.setRegionName(GridRegion.BODY);

        FixedSummaryRowLayer summaryRowLayer = new FixedSummaryRowLayer(bodyDataLayer, viewportLayer, configRegistry, false);
        summaryRowLayer.setHorizontalCompositeDependency(false);

        IDataProvider columnHeaderDataProvider = new DetailedCostColumnHeaderDataProvider();
        DataLayer columnHeaderDataLayer = new DataLayer(columnHeaderDataProvider);

        ColumnHeaderLayer columnHeaderLayer = new ColumnHeaderLayer(columnHeaderDataLayer, viewportLayer, selectionLayer);

        CompositeLayer childComposite = new CompositeLayer(1, 2);
        childComposite.setChildLayer("SUMMARY", summaryRowLayer, 0, 0);
        childComposite.setChildLayer(GridRegion.BODY, viewportLayer, 0, 1);
        CompositeLayer composite = new BoxLayer(childComposite, columnHeaderLayer);
        composite.addConfiguration(new RowOnlySelectionBindings());

        // EVG - For styling of viewportLayer contents to the right
        columnLabelAccumulator = new ColumnOverrideLabelAccumulator(viewportLayer);
        viewportLayer.setConfigLabelAccumulator(columnLabelAccumulator);

        // EVG - For styling of summaryLayer contents to the right. Needs to be done separately, as FixedSummaryRowLayer objects
        // are not connected with main viewportLayer, they're by themselves.
        summaryRowLayerColumnLabelAccumulator = new ColumnOverrideLabelAccumulator(summaryRowLayer);
        summaryRowLayer.setConfigLabelAccumulator(summaryRowLayerColumnLabelAccumulator);
...