configRegistry.registerConfigAttribute(
        ExportConfigAttributes.EXPORT_FORMATTER,
        new IExportFormatter() {
            @Override
            public Object formatForExport(ILayerCell cell, IConfigRegistry configRegistry) {
                // simply return the data value which is an
                // integer for the row header doing this avoids
                // the default conversion to string for export
                return cell.getDataValue();
            }
        },
        DisplayMode.NORMAL,
        GridRegion.ROW_HEADER);