throw new UnsupportedOperationException("Cannot change the version information for an attached artifact."
                + " It is derived from the main artifact.");
    }

    @Override
    public String getDownloadUrl() {
        return parent.getDownloadUrl();
    }

    @Override
    public void setDownloadUrl(String downloadUrl) {

            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories)
            throws ArtifactMetadataRetrievalException {
        throw new UnsupportedOperationException("Cannot get available versions in this test case");
    }

    @Override
    public List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(

            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories)
            throws ArtifactMetadataRetrievalException {
        throw new UnsupportedOperationException("Cannot get available versions in this test case");
    }

    @Override
    public List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(

            isRelease -> "promoteReleaseMilestone"
            else -> "promoteMilestone"
        }

    fun promoteFinalReleaseTaskName(): String =
        when {
            isMaster -> throw UnsupportedOperationException("No final release job on master branch")
            isRelease -> "promoteFinalRelease"
            else -> "promoteFinalBackportRelease"
        }

    private fun nightlyTaskName(prefix: String): String =

                    handlerStack.addFirst(handler);
                    tagStack.addFirst(name);
                    return;
                }
            }
            throw new UnsupportedOperationException();
        }

        @Override
        void onEndHtmlElement(String name) {
            if (!tagStack.isEmpty() && tagStack.getFirst().equals(name)) {
                tagStack.removeFirst();

                                        try {
                                            c.clear();
                                        } catch (UnsupportedOperationException e) {
                                            if (debugEnabled && logger != null) {
                                                logger.debug("Skipping interpolation of field: " + field + " in: "

                    Artifact artifact,
                    ArtifactRepository localRepository,
                    List<ArtifactRepository> remoteRepositories) {
                throw new UnsupportedOperationException("Cannot get available versions in this test case");
            }

            @Override
            public List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(

        }

        @Override
        public boolean removeIf(Predicate<? super E> filter) {
            throw uoe();
        }
    }

    private static UnsupportedOperationException uoe() {
        return new UnsupportedOperationException();
    }

    @Override
    public ResolutionGroup retrieve(
            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories) {
        throw new UnsupportedOperationException("Cannot retrieve metadata in this test case");
    }

    @Override
    public List<ArtifactVersion> retrieveAvailableVersions(

     *         any.
     */
    public PersistedToolchains read(XmlPullParser parser, boolean strict) throws IOException, XmlPullParserException {
        throw new UnsupportedOperationException("Not yet implemented");
    }

    /**
     * @param reader a reader object.
     * @param strict a strict object.
     * @return PersistedToolchains
     * @throws IOException IOException if any.