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
*
     * @param folderObject the file system container object to be imported
     * @param policy determines how the folder object and children are imported
     * @return the policy to use to import the folder's children
     * @throws CoreException 
     */
    int importFolder(Object folderObject, int policy) throws CoreException {
        IContainer containerResource;
        try {
            containerResource = getDestinationContainerFor(folderObject);
        } catch (CoreException e) {
            errorTable.add(e.getStatus());
            return policy;
        }
        if (containerResource == null) {
			return policy;
		}
        monitor.subTask(provider.getFullPath(folderObject));
        IWorkspace workspace = destinationContainer.getWorkspace();
        IPath containerPath = containerResource.getFullPath();
        IPath resourcePath = containerPath.append(provider
                .getLabel(folderObject));
        
        
        if (resourcePath.equals(containerPath)) {
			return policy;
		}
        if (workspace.getRoot().exists(resourcePath)) {
            if (rejectedFiles.contains(resourcePath)) {
				return POLICY_SKIP_CHILDREN;