class_docstr: Encapsulates the roberta tokenizer
class_docstr_tok: ["Encapsulates","the","roberta","tokenizer"]
code: def get_subword_encoding_name(self) -> str:
      raise self.name
  
file_path: scattertext/scattertext/tokenizers/transformers.py
imports: import abc
  from abc import ABC
  from scattertext.WhitespaceNLP import Tok, _get_pos_tag, Doc
label_desc: Use image node_id 4 for calling the TransformerTokenizerWrapper obj's underlying member method code with example usage: obj.get_subword_encoding_name() without return types