public static ICompilationUnit toWorkingCopy(ICompilationUnit cu) { if (!cu.isWorkingCopy()) {
public static IMember toWorkingCopy(IMember member) { ICompilationUnit cu= member.getCompilationUnit(); if (cu != null && !cu.isWorkingCopy()) {
	public static ICompilationUnit toWorkingCopy(ICompilationUnit cu) {		if (!cu.isWorkingCopy()) {			ICompilationUnit workingCopy= EditorUtility.getWorkingCopy(cu);			if (workingCopy != null) {				return workingCopy;			}		}		return cu;	}