private static @NonNls String createVariableName(PsiElement context) {
      final Project project = context.getProject();
      final JavaPsiFacade facade = JavaPsiFacade.getInstance(project);
      final PsiElementFactory factory = facade.getElementFactory();
      final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
      final PsiClass iteratorClass =
        facade.findClass(CommonClassNames.JAVA_UTIL_ITERATOR, scope);
      if (iteratorClass == null) {
        return "iterator";
      }
      final JavaCodeStyleManager codeStyleManager =
        JavaCodeStyleManager.getInstance(project);
      final PsiType iteratorType = factory.createType(iteratorClass);
      final SuggestedNameInfo baseNameInfo =
        codeStyleManager.suggestVariableName(
          VariableKind.LOCAL_VARIABLE, null, null,
          iteratorType);
      final SuggestedNameInfo nameInfo =
        codeStyleManager.suggestUniqueVariableName(baseNameInfo,
                                                   context, true);
      if (nameInfo.names.length == 0) {
        return "iterator";
      }
      return nameInfo.names[0];
    }
private static @NonNls String createVariableName(PsiElement context)