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/internal/ide/undo/ContainerDescription.java
IProgressMonitor monitor, int ticks) throws CoreException {
		
		if (members != null && members.length > 0) {
			for (int i = 0; i < members.length; i++) {
				members[i].parent = parentHandle;
				members[i].createResource(new SubProgressMonitor(monitor, ticks
						/ members.length));
			}
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.ide.undo.ResourceDescription#recordStateFromHistory(org.eclipse.core.resources.IResource,
	 *      org.eclipse.core.runtime.IProgressMonitor)
	 */
	public void recordStateFromHistory(IResource resource,
			IProgressMonitor monitor) throws CoreException {
		monitor.beginTask(
				UndoMessages.FolderDescription_SavingUndoInfoProgress, 100);
		if (members != null) {
			for (int i = 0; i < members.length; i++) {
				if (members[i] instanceof FileDescription) {
					IPath path = resource.getFullPath().append(
							((FileDescription) members[i]).name);
					IFile fileHandle = resource.getWorkspace().getRoot().getFile(
							path);
					members[i].recordStateFromHistory(fileHandle,
							new SubProgressMonitor(monitor, 100 / members.length));
				} else if (members[i] instanceof FolderDescription) {