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
* @param destination
	 *            the destination container
	 * @param sourceNames
	 *            the source file names
	 * @return an error message, or <code>null</code> if the path is valid
	 */
	public String validateImportDestination(IContainer destination,
			String[] sourceNames) {
		IFileStore[] stores = new IFileStore[sourceNames.length];
		for (int i = 0; i < sourceNames.length; i++) {
			IFileStore store = IDEResourceInfoUtils
					.getFileStore(sourceNames[i]);
			if (store == null) {
				return NLS
						.bind(
								IDEWorkbenchMessages.CopyFilesAndFoldersOperation_infoNotFound,
								sourceNames[i]);
			}
			stores[i] = store;
		}
		return validateImportDestinationInternal(destination, stores);
	}
	/**
	 * Checks whether the destination is valid for copying the source file
	 * stores.
	 * <p>
	 * Note this method is for internal use only. It is not API.
	 * </p>
	 * <p>
	 * TODO Bug 117804. This method has been renamed to avoid a bug in the