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
} catch (CoreException e) {
			return locationURI;
		}
		return URIUtil.toURI(result);
	}
	/**
	 * Sets the content of the existing file to the source file content.
	 * 
	 * @param source
	 *            source file to copy
	 * @param existing
	 *            existing file to set the source content in
	 * @param subMonitor
	 *            a progress monitor for showing progress and for cancelation
	 * @throws CoreException
	 *             setContents failed
	 */
	private void copyExisting(IResource source, IResource existing,
			IProgressMonitor subMonitor) throws CoreException {
		IFile existingFile = getFile(existing);
		if (existingFile != null) {
			IFile sourceFile = getFile(source);
			if (sourceFile != null) {
				existingFile.setContents(sourceFile.getContents(),
						IResource.KEEP_HISTORY, new SubProgressMonitor(
								subMonitor, 0));
			}
		}
	}
	/**