code: def parse_literal_str(src: str, pos: Pos) -> tuple[Pos, str]:
      pos += 1  # Skip starting apostrophe
      start_pos = pos
      pos = skip_until(
          src,
          pos,
          "'",
          error_on=ILLEGAL_LITERAL_STR_CHARS,
          error_on_eof=True,
      )
      return pos + 1, src[start_pos:pos]
  
imports: from __future__ import annotations
  from collections.abc import Iterable
  import string
  from types import MappingProxyType
  from typing import Any, BinaryIO, NamedTuple
  from ._re import RE_DATETIME, RE_LOCALTIME, RE_NUMBER, match_to_datetime, match_to_localtime, match_to_number
  from ._types import Key, ParseFloat, Pos
label_desc: Use image node_id 19 for calling a global function with example usage: parse_literal_str(src, pos) and returns: unknown,  src