code: def parse_url(url: str) -> AsyncFSURL:
      pass
  
imports: from typing import Any, AsyncContextManager, Optional, Type, Set, AsyncIterator, Callable, TypeVar, Generic, List, Awaitable, Union, Tuple
  from typing_extensions import ParamSpec
  from types import TracebackType
  import abc
  import asyncio
  import datetime
  from hailtop.utils import retry_transient_errors, OnlineBoundedGather2
  from .stream import EmptyReadableStream, ReadableStream, WritableStream
  from .exceptions import FileAndDirectoryError
label_desc: Use image node_id 4 for calling the AsyncFS obj's underlying member method code with example usage: obj.parse_url(url) without return types