mform.addPart(detailsPart);
exportDetailsPage = new ExportPackagesDetailsPage();
detailsPart.registerPage(ExportedPackage.class, exportDetailsPage);
importDetailsPage = new ImportPatternsDetailsPage();
detailsPart.registerPage(ImportPattern.class, importDetailsPage);
NoSelectionPage noSelectionPage = new NoSelectionPage();
mform.addPart(noSelectionPage);
detailsPart.registerDeselectedPage(noSelectionPage);