Subclass [EventListener](https://square.github.io/okhttp/5.x/okhttp/okhttp3/-event-listener/) and override methods for the events you are interested in. In a successful HTTP call with no redirects or retries the sequence of events is described by this flow.

![Events Diagram](../assets/images/******@****.***)

no strings, por lo que no puedes pasarlos directamente desde código de Python.

Si necesitas usar configuraciones solo de JavaScript como esas, puedes usar uno de los métodos anteriores. Sobrescribe toda la *path operation* de Swagger UI y escribe manualmente cualquier JavaScript que necesites....

Para distinguir entre los modelos con todos los valores opcionales para **actualizaciones** y modelos con valores requeridos para **creación**, puedes utilizar las ideas descritas en [Modelos Extra](extra-models.md).

Eso significa que, los clientes que usan tu API no tienen que revisar si el valor existe o no, pueden **asumir que el campo siempre estará allí**, pero solo que en algunos casos tendrá el valor por defecto de `None`.

La forma de describir esto en OpenAPI es marcar ese campo como **requerido**, porque siempre estará allí.

Debido a eso, el JSON Schema para un modelo puede ser diferente dependiendo de si se usa para **entrada o salida**:

## Alternative Events (deprecated) { #alternative-events-deprecated }

/// warning

The recommended way to handle the *startup* and *shutdown* is using the `lifespan` parameter of the `FastAPI` app as described above. If you provide a `lifespan` parameter, `startup` and `shutdown` event handlers will no longer be called. It's all `lifespan` or all events, not both.

You can probably skip this part.

///

   * value that are {@linkplain Range#isConnected connected} to this range.
   *
   * <p>The behavior of {@link #get(Comparable) get(k)} after calling this method is identical to
   * the behavior described in {@link #put(Range, Object) put(range, value)}, however the ranges
   * returned from {@link #asMapOfRanges} will be different if there were existing entries which
   * connect to the given range and value.
   *

   *     #getUnchecked} instead.
   * @throws UncheckedExecutionException if an exception was thrown while loading the value. (As
   *     described in the documentation for {@link #getUnchecked}, {@code LoadingCache} should be
   *     used as a {@code Function} only with cache loaders that throw only unchecked exceptions.)
   */
  @Deprecated
  @Override

   * and {@code distance(end, start) == -3}. As well, {@code distance(a, a)} is always zero.
   *
   * <p>Note that this function is necessarily well-defined for any discrete type.
   *
   * @return the distance as described above, or {@link Long#MIN_VALUE} or {@link Long#MAX_VALUE} if
   *     the distance is too small or too large, respectively.
   */
  public abstract long distance(C start, C end);

  /**

         * repository's layout to allow pointing at artifacts within the repository. Unfortunately,
         * DefaultRepositoryLayout does not correctly describe the layout of a local repository which unlike a remote
         * repository never uses timestamps in the filename of a snapshot artifact. The discrepancy gets notable when a

Pour distinguer les modèles avec toutes les valeurs optionnelles pour les mises à jour et les modèles avec des valeurs requises pour la création, vous pouvez utiliser les idées décrites dans [Modèles supplémentaires](extra-models.md).