columnGroupReorderLayer = new ColumnGroupReorderLayer(
columnReorderLayer, columnGroupModel);
columnHideShowLayer = new ColumnHideShowLayer(columnGroupReorderLayer);
columnGroupExpandCollapseLayer = new ColumnGroupExpandCollapseLayer(
columnHideShowLayer, columnGroupModel);
selectionLayer = new SelectionLayer(columnGroupExpandCollapseLayer);
viewportLayer = new ViewportLayer(selectionLayer);
freezeLayer = new FreezeLayer(selectionLayer);
compositeFreezeLayer = new CompositeFreezeLayer(freezeLayer,
viewportLayer, selectionLayer);