docstr: Allow accessing `__getiitem__` of allow-listed instances unless it was not modified.
code: def can_get_item(self, value, item):
      """Allow accessing `__getiitem__` of allow-listed instances unless it was not modified."""
      return _has_original_dunder(
          value,
          allowed_types=self.allowed_getitem,
          allowed_methods=self._getitem_methods,
          allowed_external=self.allowed_getitem_external,
          method_name="__getitem__",
      )
  
imports: from inspect import signature, Signature
  from typing import Any, Callable, Dict, Set, Sequence, Tuple, NamedTuple, Type, Literal, Union, TYPE_CHECKING
  import ast
  import builtins
  import collections
  import operator
  import sys
  from functools import cached_property
  from dataclasses import dataclass, field
  from types import MethodDescriptorType, ModuleType
  from IPython.utils.docs import GENERATING_DOCUMENTATION
  from IPython.utils.decorators import undoc
label_desc: Use image node_id 2 for calling the SelectivePolicy obj's underlying member method code with example usage: obj.can_get_item(value, item) and returns: _has_original_dunder