/** Etag of the cached response. */
    private var etag: String? = null

    /** Age of the cached response. */
    private var ageSeconds = -1

    /**
     * Returns true if computeFreshnessLifetime used a heuristic. If we used a heuristic to serve a
     * cached response older than 24 hours, we are required to attach a warning.
     */

     * The target information block is used by the client to create an
     * NTLMv2 response.
     */
    public byte[] getTargetInformation() {
        return targetInformation;
    }

    /**
     * Sets the target information block.
     * The target information block is used by the client to create
     * an NTLMv2 response.
     *

     *            empty.
     * @param pluginArtifactId The artifact id of the plugin whose configuration should be used, must not be
     *            {@code null} or empty.
     * @param pluginExecutionId The id of a plugin execution whose configuration should be used, may be {@code null} or
     *            empty to use the general plugin configuration.

Nesta seção, veremos como usar outros middlewares.

## Adicionando middlewares ASGI { #adding-asgi-middlewares }

Como o **FastAPI** é baseado no Starlette e implementa a especificação <abbr title="Asynchronous Server Gateway Interface – Interface de Gateway de Servidor Assíncrona">ASGI</abbr>, você pode usar qualquer middleware ASGI.

     */
    public abstract DirectoryProperty getRoot();

    /**
     * The stylesheet directory used by the DSL reference documentation.
     */
    public abstract DirectoryProperty getStylesheetDirectory();

    /**
     * The stylesheet used by the DSL reference to highlight code snippets.
     */
    public abstract RegularFileProperty getHighlightStylesheet();

    /**

    /**
     * Converts the given text into a list of readings based on the specified field and languages.
     *
     * @param text the text to be converted.
     * @param field the field to be used for conversion.
     * @param langs the languages to be used for conversion.
     * @return a list of readings for the given text.
     * @throws IOException if an I/O error occurs during conversion.
     */

   * Value for [B1_MASK_LENGTH] which indicates the next eight bytes are the unsigned
   * length.
   */
  internal const val PAYLOAD_LONG = 127

  /** Used when an unchecked exception was thrown in a listener. */
  internal const val CLOSE_CLIENT_GOING_AWAY = 1001

  /** Used when an empty close frame was received (i.e., without a status code). */
  internal const val CLOSE_NO_STATUS_CODE = 1005

  fun toggleMask(

/// tip | Tipp

Um mehr über die einzelnen Statuscodes zu erfahren und welcher wofür verwendet wird, sehen Sie sich die [<abbr title="Mozilla Developer Network - Mozilla-Entwicklernetzwerk">MDN</abbr> Dokumentation über HTTP-Statuscodes](https://developer.mozilla.org/en-US/docs/Web/HTTP/Status) an.

///

        return lifeCyclePluginAnalyzer.getPluginsBoundByDefaultToAllLifecycles(packaging);
    }

    // USED BY MAVEN HELP PLUGIN

    @Deprecated
    public Map<String, Lifecycle> getPhaseToLifecycleMap() {
        return defaultLifeCycles.getPhaseToLifecycleMap();
    }

    // Used by m2eclipse

    @Override
    @SuppressWarnings({"UnusedDeclaration"})

Os status codes na faixa dos 400 significam que houve um erro por parte do cliente.

Você se lembra de todos aqueles erros (e piadas) a respeito do "**404 Not Found**"?

## Use o `HTTPException` { #use-httpexception }

Para retornar ao cliente *responses* HTTP com erros, use o `HTTPException`.

### Import `HTTPException` { #import-httpexception }

{* ../../docs_src/handling_errors/tutorial001_py310.py hl[1] *}