class_docstr: Tokenizes by making a request to the proxy server with REST endpoint: `/api/tokenize`.
docstr: Name of the tokenizer to use when sending a request.
docstr_tok: ["Name","of","the","tokenizer","to","use","when","sending","a","request","."]
code: def tokenizer_name(self) -> str:
      """Name of the tokenizer to use when sending a request."""
      return "ai21/j1"
  
imports: import re
  from typing import List, Optional, Tuple
  from urllib.parse import unquote
  from helm.common.tokenization_request import TokenizationRequest, TokenizationRequestResult, TokenizationToken, TextRange
  from .window_service import WindowService, EncodeResult
  from .tokenizer_service import TokenizerService
  from .gpt2_window_service import GPT2WindowService
label_desc: Use image node_id 2 for calling the AI21WindowService obj's underlying member method code with example usage: obj.tokenizer_name() and returns: str