private static boolean isInInheritor(PsiReferenceExpression qualified, final RefactoringUtil.IsDescendantOf descendantOf) {
      PsiClass aClass = PsiTreeUtil.getParentOfType(qualified, PsiClass.class);
      while (aClass != null) {
        if (descendantOf.value(aClass)) return true;
        aClass = PsiTreeUtil.getParentOfType(aClass, PsiClass.class);
      }
      return false;
    }
private static boolean isInInheritor(PsiReferenceExpression qualified, final RefactoringUtil.IsDescendantOf descendantOf)