private FieldAccessibility getFieldAccessibility(PsiElement element) {
    for (PsiClass aClass : myClassInheritors) {
      if (PsiTreeUtil.isAncestor(aClass, element, false)) {
        return new FieldAccessibility(true, aClass);
      }
    }
    return FieldAccessibility.INVISIBLE;
  }
private FieldAccessibility getFieldAccessibility(PsiElement element)