code: def _parse_version_many(tokenizer: Tokenizer) -> str:
      """
      version_many = (SPECIFIER (WS? COMMA WS? SPECIFIER)*)?
      """
      parsed_specifiers = ""
      while tokenizer.check("SPECIFIER"):
          parsed_specifiers += tokenizer.read().text
          tokenizer.consume("WS")
          if not tokenizer.check("COMMA"):
              break
          parsed_specifiers += tokenizer.read().text
          tokenizer.consume("WS")
  
      return parsed_specifiers
  
imports: import ast
  from typing import Any, List, NamedTuple, Optional, Tuple, Union
  from ._tokenizer import DEFAULT_RULES, Tokenizer
label_desc: Use image node_id 8 for calling a global function with example usage: _parse_version_many(tokenizer) and returns: parsed_specifiers