func: Callable[[WebSocket], Awaitable[None]],
) -> ASGIApp:
    """
    Takes a coroutine `func(session)`, and returns an ASGI application.
    """
    # assert asyncio.iscoroutinefunction(func), "WebSocket endpoints must be async"

    async def app(scope: Scope, receive: Receive, send: Send) -> None:
        session = WebSocket(scope, receive=receive, send=send)

    public static final String LABELS_crawling_info_link_delete = "{labels.crawling_info_link_delete}";

    /** The key of the message: Session ID */
    public static final String LABELS_crawling_info_session_id_search = "{labels.crawling_info_session_id_search}";

    /** The key of the message: Session ID */
    public static final String LABELS_crawling_info_session_id = "{labels.crawling_info_session_id}";

    val sink = GzipSink(result).buffer()
    sink.writeUtf8(data)
    sink.close()
    return result
  }

  companion object {
    private val NULL_HOSTNAME_VERIFIER = HostnameVerifier { hostname, session -> true }
  }