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/extensions/org/eclipse/ui/actions/CopyFilesAndFoldersOperation.java
*            the path of the destination container
	 * @return <code>true</code> if the copy operation completed without
	 *         errors.
	 */
	private boolean performCopyWithAutoRename(IResource[] resources,
			IPath destination, IProgressMonitor monitor) {
		IWorkspace workspace = resources[0].getWorkspace();
		IPath[] destinationPaths = new IPath[resources.length];
		try {
			for (int i = 0; i < resources.length; i++) {
				IResource source = resources[i];
				destinationPaths[i] = destination.append(source.getName());
				if (workspace.getRoot().exists(destinationPaths[i])) {
					destinationPaths[i] = getNewNameFor(destinationPaths[i],
							workspace);
				}
			}
			CopyResourcesOperation op = new CopyResourcesOperation(resources,
					destinationPaths,
					IDEWorkbenchMessages.CopyFilesAndFoldersOperation_copyTitle);
			op.setModelProviderIds(getModelProviderIds());
			PlatformUI.getWorkbench().getOperationSupport()
					.getOperationHistory().execute(op, monitor,
							WorkspaceUndoUtil.getUIInfoAdapter(messageShell));
		} catch (ExecutionException e) {
			if (e.getCause() instanceof CoreException) {
				recordError((CoreException) e.getCause());
			} else {
				IDEWorkbenchPlugin.log(e.getMessage(), e);
				displayError(e.getMessage());