private static final class TimedTakeQueue {
    final BlockingQueue<String> queue;
    final Completion completed;

    /**
     * Creates a {@link EnableReads} which insert an element for a {@code take} to receive in {@code
     * countdownInMillis}.
     */
    static TimedTakeQueue createWithDelay(long countdownInMillis) {
      return new TimedTakeQueue(countdownInMillis);
    }

    private int linkSpeed;  // In units of 1 Mbps
    private byte[] sockaddrStorage;  // Socket address
    private InetAddress address;
    private boolean ipv6;
    private boolean rssCapable;  // Receive Side Scaling
    private boolean rdmaCapable;
    
    // Capability flags
    public static final int NETWORK_INTERFACE_CAP_RSS = 0x00000001;
    public static final int NETWORK_INTERFACE_CAP_RDMA = 0x00000002;
    

    receiving stream to process it.

    This change may increase OkHttp's memory use for applications that make many concurrent HTTP
    calls and that can receive data faster than they can process it. Previously, OkHttp limited
    HTTP/2 to 16 MiB of unacknowledged data per connection. With this fix there is a limit of 16 MiB
    of unacknowledged data per stream and no per-connection limit.

/// note | 技术细节

`Request` 拥有 `request.scope` 属性，它就是一个 Python `dict`，包含与请求相关的元数据。

`Request` 还包含 `request.receive`，它是一个用于“接收”请求体的函数。

`scope` 字典和 `receive` 函数都是 ASGI 规范的一部分。

创建一个新的 `Request` 实例需要这两样：`scope` 和 `receive`。

想了解更多关于 `Request` 的信息，请查看 [Starlette 的 Request 文档](https://www.starlette.dev/requests/)。

///

            self.add_route(self.redoc_url, redoc_html, include_in_schema=False)

    async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
        if self.root_path:
            scope["root_path"] = self.root_path
        await super().__call__(scope, receive, send)

    def add_api_route(
        self,
        path: str,
        endpoint: Callable[..., Any],
        *,

![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

## Example upgrade

Now modify the file `main.py` to receive a body from a `PUT` request.

Declare the body using standard Python types, thanks to Pydantic.

```Python hl_lines="2  7-10 23-25"
from fastapi import FastAPI
from pydantic import BaseModel

У `Request` є атрибут `request.scope` - це просто Python `dict`, що містить метадані, пов'язані із запитом.

Також `Request` має `request.receive` - це функція для «отримання» тіла запиту.

`scope` `dict` і функція `receive` є частиною специфікації ASGI.

І саме ці дві сутності - `scope` та `receive` - потрібні для створення нового екземпляра `Request`.

                    // Add plugin management based on effective model analysis
                    // Note: pluginsNeedingManagement only contains entries for POMs that should receive plugin
                    // management
                    // (i.e., the "last local parent" for each plugin that needs management)
                    Set<String> pluginsForThisPom = pluginsNeedingManagement.get(pomPath);

    `BufferedSink` and a `ResponseBody` as an Okio `BufferedSource`. Standard
    `InputStream` and `OutputStream` access is also available.

 *  **New Call and Callback types** execute requests and receive their
    responses. Both types of calls can be canceled via the `Call` or the
    `OkHttpClient`.

 *  **URLConnection support has moved to the okhttp-urlconnection module.**

Um `Request` também tem um `request.receive`, que é uma função para "receber" o corpo da requisição.

O dicionário `scope` e a função `receive` são ambos parte da especificação ASGI.

E essas duas coisas, `scope` e `receive`, são o que é necessário para criar uma nova instância de `Request`.