protected Refactoring createNewRefactoringInstance(Object obj){
private PullUpRefactoring createNewRefactoringInstance(Object[] obj){
	protected Refactoring createNewRefactoringInstance(Object obj){		Set memberSet= new HashSet();		memberSet.addAll(Arrays.asList((Object[])obj));		IMember[] members= (IMember[]) memberSet.toArray(new IMember[memberSet.size()]);		return new PullUpRefactoring(members, JavaPreferencesSettings.getCodeGenerationSettings());	}