code: def is_protected(self, col_name) -> bool:
      return col_name in self._protected
  
imports: from collections import abc
  from itertools import chain, repeat, zip_longest
  from operator import itemgetter
  from typing import TYPE_CHECKING, Any, Dict, ItemsView, Iterable, Iterator, List, Mapping, MutableSequence, Optional, Sequence, Set, Tuple, Union, overload
  from funcy import reraise
label_desc: Use image node_id 3 for calling the TabularData obj's underlying member method code with example usage: obj.is_protected(col_name) and returns: unknown