Bug 301131 CreateGroupOperation, GroupDescription should be renamed or merged into existing classes
There are some remaining issues related to renamin Groups into Virtual Folders. org.eclipse.ui.internal.ide.undo.GroupDescription IMO should be merged with FolderDescription org.eclipse.ui.ide.undo.CreateGroupOperation should be merged with CreateFolderOperation IDEResourceInfoUtils#GROUP_TEXT org.eclipse.ui.wizards.datatransfer#ImportOperation#setCreateGroups Remy, if you see other related issues, please add a comment to the bug.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/wizards/datatransfer/ImportOperation.java
private static final int POLICY_DEFAULT = 0;
    private static final int POLICY_SKIP_CHILDREN = 1;
    private static final int POLICY_FORCE_OVERWRITE = 2;
    private Object source;
    private IPath destinationPath;
    private IContainer destinationContainer;
    private List selectedFiles;
    private List rejectedFiles;
    private IImportStructureProvider provider;
    private IProgressMonitor monitor;
    protected IOverwriteQuery overwriteCallback;
    private Shell context;
    private List errorTable = new ArrayList();
    private boolean createGroups = false;
    private boolean createLinks = false;
    private String relativeVariable = null;