/** Returns the tag attached with [T] as a key, or null if no tag is attached with that key. */
  @JvmName("reifiedTag")
  inline fun <reified T : Any> tag(): T? = tag(T::class)

  /** Returns the tag attached with [type] as a key, or null if no tag is attached with that key. */
  fun <T : Any> tag(type: KClass<T>): T? = type.java.cast(tags[type])

  /**

   *       directExecutor}, the listener can execute in any of three possible threads:
   *       <ol>
   *         <li>When a thread attaches a listener to a {@code ListenableFuture} that's already
   *             complete, the listener runs immediately in that thread.
   *         <li>When a thread attaches a listener to a {@code ListenableFuture} that's
   *             incomplete and the {@code ListenableFuture} later completes normally, the

  /**
   * Returns the tag attached with [type] as a key, or null if no tag is attached with that key.
   *
   * The tags on a call are seeded from the [request tags][Request.tag]. This set will grow if new
   * tags are computed.
   */
  fun <T : Any> tag(type: KClass<T>): T?

  /**
   * Returns the tag attached with [type] as a key, or null if no tag is attached with that key.
   *

# Tâches d'arrière-plan

Vous pouvez définir des tâches d'arrière-plan qui seront exécutées après avoir retourné une réponse.

Ceci est utile pour les opérations qui doivent avoir lieu après une requête, mais où le client n'a pas réellement besoin d'attendre que l'opération soit terminée pour recevoir une réponse.

Cela comprend, par exemple :

* Les notifications par email envoyées après l'exécution d'une action :

/// tip | Dica

/// tip | Consejo

/// tip | Подсказка

/// tip

/// tip | Tipp

        return lifecycles.computeIfAbsent(project.getId(), k -> new ArrayDeque<>());
    }

    /**
     * Copy packaged and attached artifacts from this project to the
     * project local repository.
     * This allows a subsequent build to resume while still being able
     * to locate attached artifacts.
     *
     * @param project the project to copy artifacts from
     */