type ReconnectRESTClient struct {
	u    *url.URL
	rest *rest.Client
}

// newClient constructs a ReconnectRESTClient object with addr and endpoint initialized.
// It _doesn't_ connect to the remote endpoint. See Call method to see when the
// connect happens.
func newClient(endpoint string) NetLocker {
	u, err := url.Parse(endpoint)
	if err != nil {

    client.send(message6)
    serverListener.assertTextMessage(message6)
    closeWebSockets(client, server)
    val upgradeRequest = webServer.takeRequest()
    assertThat(upgradeRequest.headers["Sec-WebSocket-Extensions"])
      .isEqualTo("permessage-deflate")
  }

  @Throws(Exception::class)
  private fun extensionNegotiationFailure(extensionsHeader: String) {
    webServer.enqueue(

* .
* **OAuth2** (همچنین با **JWT tokens**). آموزش را در [OAuth2 with JWT](tutorial/security/oauth2-jwt.md){.internal-link target=\_blank} مشاهده کنید.
* کلید های API:
    * <abbr title="سرصفحه ها">Headers</abbr>
    * <abbr title="پارامترهای پرسمان">Query parameters</abbr>
    * <abbr title="کوکی ها">Cookies</abbr>، و غیره.

Jeder HTTP-(Fehler-)Statuscode 401 „UNAUTHORIZED“ soll auch einen `WWW-Authenticate`-Header zurückgeben.

Im Fall von Bearer-Tokens (in unserem Fall) sollte der Wert dieses Headers `Bearer` lauten.

Sie können diesen zusätzlichen Header tatsächlich weglassen und es würde trotzdem funktionieren.

Aber er wird hier bereitgestellt, um den Spezifikationen zu entsprechen.

            responseData.setLastModified(statObject.lastModified() == null ? null : Date.from(statObject.lastModified().toInstant()));
            responseData.setMimeType(statObject.contentType());
            statObject.headers().forEach(e -> responseData.addMetaData(e.getFirst(), e.getSecond()));

            if (contentLengthHelper != null) {
                final long maxLength = contentLengthHelper.getMaxLength(responseData.getMimeType());

pkg net, type Listener interface { Accept, Addr, Close }
pkg net, type Listener interface, Accept() (Conn, error)
pkg net, type Listener interface, Addr() Addr
pkg net, type Listener interface, Close() error
pkg net, type MX struct
pkg net, type MX struct, Host string
pkg net, type MX struct, Pref uint16
pkg net, type OpError struct
pkg net, type OpError struct, Addr Addr
pkg net, type OpError struct, Err error

* **Soporte en el editor**.
* **Type checks**.

...y **FastAPI** usa las mismas declaraciones para:

* **Definir requerimientos**: desde request path parameters, query parameters, headers, bodies, dependencies, etc.
* **Convertir datos**: desde el request al tipo requerido.
* **Validar datos**: viniendo de cada request:
    * Generando **errores automáticos** devueltos al cliente cuando los datos son inválidos.

    * Um sich also bei unserer API zu authentifizieren, sendet es einen Header `Authorization` mit dem Wert `Bearer` plus dem Token.
    * Wenn der Token `foobar` enthielte, wäre der Inhalt des `Authorization`-Headers: `Bearer foobar`.

## **FastAPI**s `OAuth2PasswordBearer`

**FastAPI** bietet mehrere Tools auf unterschiedlichen Abstraktionsebenen zur Implementierung dieser Sicherheitsfunktionen.

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   *     negative
   */
  int count(@CompatibleWith("E") @CheckForNull Object element);

  // Bulk Operations

  /**
   * Adds a number of occurrences of an element to this multiset. Note that if {@code occurrences ==
   * 1}, this method has the identical effect to {@link #add(Object)}. This method is functionally