## Otros middlewares { #other-middlewares }

Hay muchos otros middlewares ASGI.

Por ejemplo:

SSE é um padrão para transmitir dados do servidor para o cliente via HTTP.

Cada evento é um pequeno bloco de texto com “campos” como `data`, `event`, `id` e `retry`, separados por linhas em branco.

Fica assim:

```
data: {"name": "Portal Gun", "price": 999.99}

data: {"name": "Plumbus", "price": 32.99}

```

          black-list-labels:
            - '>test-mute'
    axes:
      - axis:
          type: label-expression
          name: os
          values:
            - centos-7-packaging
            - centos-8-packaging
            - debian-9-packaging
            - debian-10-packaging
            - debian-11-packaging
            - opensuse-15-1-packaging
            - oraclelinux-7-packaging

      deb_common config, box
      deb_docker config
    end
  end
  'centos-6'.tap do |box|
    config.vm.define box, define_opts do |config|
      config.vm.box = 'elastic/centos-6-x86_64'
      rpm_common config, box
    end
  end
  'centos-7'.tap do |box|
    config.vm.define box, define_opts do |config|
      config.vm.box = 'elastic/centos-7-x86_64'
      rpm_common config, box
      rpm_docker config
    end
  end

            - ':Delivery/Packaging'
          black-list-labels:
            - '>test-mute'
    axes:
      - axis:
          type: label-expression
          name: os
          values:
            - centos-8-packaging
            - ubuntu-20.04-packaging
      - axis:
          type: yaml
          filename: ".ci/bwcVersions"
          name: "BWC_VERSION"
    builders:
      - inject:

    project-type: matrix
    node: master
    scm:
      - git:
          wipe-workspace: false
    axes:
      - axis:
          type: label-expression
          name: os
          values:
            - "centos-8-aarch64&&immutable"
            - "ubuntu-1804-aarch64&&immutable"
    builders:
      - inject:
          properties-file: '.ci/java-versions-aarch64.properties'
          properties-content: |

Puedes usar **modelos de Pydantic** para declarar **parámetros query** en **FastAPI**. 😎

/// tip | Consejo

Alerta de spoiler: también puedes usar modelos de Pydantic para declarar cookies y headers, pero leerás sobre eso más adelante en el tutorial. 🤫

Debido a que es una excepción de Python, no la `return`, sino que la `raise`.

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          + "metus neque, scelerisque in molestie ac, mattis quis lectus. Pellentesque viverra "
          + "justo commodo quam bibendum ut gravida leo accumsan. Nullam malesuada sagittis diam, "
          + "quis suscipit mauris euismod vulputate. Pellentesque ultrices tellus sed lorem "

 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class TreeMultimapExplicitTest extends TestCase {

  /**
   * Compare strings lengths, and if the lengths are equal compare the strings. A {@code null} is
   * less than any non-null value.
   */
  private enum StringLength implements Comparator<@Nullable String> {
    COMPARATOR;

    @Override