code: def tokenizer(self):
      return self.layers[0].shims[0]._hfmodel.tokenizer
  
imports: from typing import List, Tuple, Callable, Union, Dict
  import copy
  from pathlib import Path
  from transformers.file_utils import ModelOutput
  from transformers import AutoConfig, AutoModel, AutoTokenizer
  from transformers.tokenization_utils_fast import PreTrainedTokenizerFast
  from transformers.tokenization_utils import BatchEncoding
  from spacy.tokens import Doc
  from thinc.api import Model, get_torch_default_device, xp2torch
  from thinc.types import ArgsKwargs
  import logging
  from ..data_classes import FullTransformerBatch, WordpieceBatch, HFObjects
  from ..util import maybe_flush_pytorch_cache
  from ..util import log_gpu_memory, log_batch_size
  from ..layers._util import replace_listener, replace_listener_cfg
  from ..truncate import truncate_oversize_splits
  from ..align import get_alignment, get_alignment_via_offset_mapping
  from .hf_wrapper import HFWrapper
label_desc: Use image node_id 2 for calling the TransformerModel obj's underlying member method code with example usage: obj.tokenizer() and returns: self