"""
    Wrap a generator-based lifespan context into an async context manager.

    This is vendored from Starlette to avoid importing private symbols.
    """
    cmgr = contextlib.contextmanager(lifespan_context)

    @functools.wraps(cmgr)
    def wrapper(app: Any) -> _AsyncLiftContextManager[Any]:
        return _AsyncLiftContextManager(cmgr(app))

    return wrapper