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
* @see WorkspaceModifyOperation
	 * @see WorkspaceJob
	 * @since 3.2
	 */
	public IResource[] copyResourcesInCurrentThread(
			final IResource[] resources, IContainer destination,
			IProgressMonitor monitor) {
		return copyResources(resources, destination, false);
	}
	/**
	 * Copies the given resources to the destination.
	 * 
	 * @param resources
	 *            the resources to copy
	 * @param destination
	 *            destination to which resources will be copied
	 * @return IResource[] the resulting {@link IResource}[]
	 */
	private IResource[] copyResources(final IResource[] resources,
			IContainer destination, boolean fork) {
		final IPath destinationPath = destination.getFullPath();
		final IResource[][] copiedResources = new IResource[1][0];
		
		
		
		IStatus resourceStatus = checkExist(resources);
		if (resourceStatus.getSeverity() != IStatus.OK) {
			displayError(resourceStatus);
			return copiedResources[0];
		}