final FoTreeServer4a treeServer = FoDocumentReader.getInstance()
.getTreeServer();
final AreaTreeFactory4a areaTreeFactory =
FOraySpecific.makeAreaTreeFactory(treeServer.getLogger());
this.areaTreeFactory = areaTreeFactory;
final PioneerFactory layoutFactory = FOraySpecific.makeLayoutFactory(
treeServer.getLogger());
this.layoutFactory = layoutFactory;
}