* Returns all publishable artifacts of this publication (read-only).
     */
    PublicationArtifactSet<T> getPublishableArtifacts();

    void allPublishableArtifacts(Action<? super T> action);

    void whenPublishableArtifactRemoved(Action<? super T> action);

    /**
     * Add a derived artifact for the supplied original artifact.
     *
     * <p>Derived artifacts are not mandatory, i.e. when the supplied file does not exist when this