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
*   (element type: <code>Object</code>)
	 * @throws CoreException 
     * @exception OperationCanceledException if canceled
     */
    void importFileSystemObjects(List filesToImport) throws CoreException {
        Iterator filesEnum = filesToImport.iterator();
        while (filesEnum.hasNext()) {
            Object fileSystemObject = filesEnum.next();
            if (source == null) {
                
                IPath sourcePath = new Path(provider
                        .getFullPath(fileSystemObject)).removeLastSegments(1);
                if (provider.isFolder(fileSystemObject) && sourcePath.isEmpty()) {
                    
                    
                    
                    errorTable.add(new Status(IStatus.INFO,
                            PlatformUI.PLUGIN_ID, 0, DataTransferMessages.ImportOperation_cannotCopy,
                            null));
                    continue;
                }
                source = sourcePath.toFile();
            }
            importRecursivelyFrom(fileSystemObject, POLICY_DEFAULT);
        }
    }
    /**
     * Imports the specified file system container object into the workspace.
     * If the import fails, adds a status object to the list to be returned by
     * <code>getResult</code>.