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/dialogs/IDEResourceInfoUtils.java
if (location.getScheme() == null)
			return UNKNOWN_LABEL;
		
		IFileStore store = getFileStore(location);
		if (store == null) {
			return UNKNOWN_LABEL;
		}
		
		if (isProjectAccessible(resource) && !store.fetchInfo().exists()) {
			return NLS.bind(FILE_NOT_EXIST_TEXT, store.toString());
		}
		return store.toString();
	}
	/**
	 * Return a String that indicates the size of the supplied file.
	 * 
	 * @param resource
	 * @return String
	 */
	public static String getSizeString(IResource resource) {
		if (resource.getType() != IResource.FILE) {
			return ""; 
		}
		IFile file = (IFile) resource;
		if (!file.isLocal(IResource.DEPTH_ZERO)) {
			return NOT_LOCAL_TEXT;
		}
		URI location = file.getLocationURI();
		if (location == null) {
			if (file.isLinked()) {