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/dialogs/WizardNewFolderMainPage.java
IPath newFolderPath = containerPath.append(resourceGroup.getResource());
		IFolder newFolderHandle = createFolderHandle(newFolderPath);
		IStatus status = linkedResourceGroup
				.validateLinkLocation(newFolderHandle);
		if (status.getSeverity() == IStatus.ERROR) {
			if (firstLinkCheck) {
				setMessage(status.getMessage());
			} else {
				setErrorMessage(status.getMessage());
			}
		} else if (status.getSeverity() == IStatus.WARNING) {
			setMessage(status.getMessage(), WARNING);
			setErrorMessage(null);
		}
		return status;
	}
	/**
	 * Returns whether this page's controls currently all contain valid values.
	 * 
	 * @return <code>true</code> if all controls are valid, and
	 *         <code>false</code> if at least one is invalid
	 */
	protected boolean validatePage() {
		boolean valid = true;
		if (!resourceGroup.areAllValuesValid()) {
			
			if (resourceGroup.getProblemType() == ResourceAndContainerGroup.PROBLEM_RESOURCE_EMPTY
					|| resourceGroup.getProblemType() == ResourceAndContainerGroup.PROBLEM_CONTAINER_EMPTY) {
				setMessage(resourceGroup.getProblemMessage());
				setErrorMessage(null);