public static ICompilationUnit toOriginal(ICompilationUnit cu) {
public static IMember toOriginal(IMember member) { if (member instanceof IMethod) return toOriginalMethod((IMethod)member); ICompilationUnit cu= member.getCompilationUnit();
	public static ICompilationUnit toOriginal(ICompilationUnit cu) {		if (cu != null && cu.isWorkingCopy())			return (ICompilationUnit) cu.getOriginal(cu);		return cu;	}	