code: def parse_alternates(
      state: parse_state,
      src: const_char_p,
      rule_name: str,
      rule_id: int,
      is_nested: bool,
  ) -> const_char_p:
      rule = std.vector()  # type: std.vector[LlamaGrammarElement]
      pos = parse_sequence(
          state, src, rule_name, rule, is_nested
      )  # type: const_char_p
      while pos[0] == "|":
          rule.push_back(
              LlamaGrammarElement(llama_gretype.LLAMA_GRETYPE_ALT, 0)
          )
          pos = parse_space(pos + 1, True)
          pos = parse_sequence(state, pos, rule_name, rule, is_nested)
      rule.push_back(
          LlamaGrammarElement(llama_gretype.LLAMA_GRETYPE_END, 0)
      )
      add_rule(state, rule_id, rule)
      return pos
  
imports: from pathlib import Path
  import sys
  from ctypes import *
  from enum import Enum
  from itertools import islice
  from typing import Any, Callable, Dict, Generic, List, Optional, OrderedDict, TextIO, Tuple, TypeVar, Union, overload
  import llama_cpp.llama_cpp
  import json
  import re
  from typing import List, Optional
label_desc: Use image node_id 11 for calling a global function with example usage: parse_alternates(state, src, rule_name, rule_id, is_nested) and returns: pos