/**
     * Get the repository metadata associated with this marker.
     *
     * @return the metadata, or <code>null</code> if none loaded
     */
    Metadata getMetadata();

    /**
     * Set the metadata contents.
     *
     * @param metadata the metadata
     */
    void setMetadata(Metadata metadata);

    /**
     * Whether this represents a snapshot.
     *

         * deployment allows to re-establish the association between the artifacts of the same project.
         */
        for (Metadata metadata : request.getMetadata()) {
            if (metadata instanceof RemoteSnapshotMetadata) {
                RemoteSnapshotMetadata snapshotMetadata = (RemoteSnapshotMetadata) metadata;

        }

        repositoryMetadataManager.resolve(metadata, request);

        artifact.addMetadata(metadata);

        Metadata repoMetadata = metadata.getMetadata();
        String version = null;
        if (repoMetadata != null && repoMetadata.getVersioning() != null) {
            version = constructVersion(repoMetadata.getVersioning(), artifact.getBaseVersion());
        }

        }

        List<String> availableVersions = request.getLocalRepository().findVersions(request.getArtifact());

        return retrieveAvailableVersionsFromMetadata(metadata.getMetadata(), availableVersions);
    }

    @Override
    public List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(

            if (repository == null) {
                repository = session.getLocalRepository();
            }

            Versioning versioning = readVersions(session, trace, metadataResult.getMetadata(), repository, result);

            versioning = filterVersionsByRepositoryType(
                    versioning, metadataResult.getRequest().getRepository());

                if (repository == null) {
                    repository = session.getLocalRepository();
                }

                Versioning v = readVersions(session, trace, metadataResult.getMetadata(), repository, result);
                merge(artifact, infos, v, repository);
            }

            if (RELEASE.equals(version)) {
                resolve(result, infos, RELEASE);

        addPluginMapping(goalPrefix, artifactId, artifactId);
    }

    public void addPluginMapping(String goalPrefix, String artifactId, String name) {
        List<Plugin> plugins = getMetadata().getPlugins();
        boolean found = false;
        for (Iterator<Plugin> i = plugins.iterator(); i.hasNext() && !found; ) {
            Plugin plugin = i.next();
            if (plugin.getPrefix().equals(goalPrefix)) {

    private final Date timestamp;

    VersionsMetadataGenerator(RepositorySystemSession session, InstallRequest request) {
        this(session, request.getMetadata());
    }

    VersionsMetadataGenerator(RepositorySystemSession session, DeployRequest request) {
        this(session, request.getMetadata());
    }

    private VersionsMetadataGenerator(RepositorySystemSession session, Collection<? extends Metadata> metadatas) {

            if (repoMetadata.isSnapshot() && (previousMetadata != null)) {
                previousMetadata.put(remoteRepository, metadata);
            }

            if (repoMetadata.getMetadata() != null) {
                setRepository = repoMetadata.getMetadata().merge(metadata);
            } else {
                repoMetadata.setMetadata(metadata);
                setRepository = true;
            }
        }

            result = repoSystem.deploy(session, request);
        } catch (DeploymentException e) {
            throw new ArtifactDeploymentException(e.getMessage(), e);
        }

        for (Object metadata : result.getMetadata()) {
            if (metadata.getClass().getName().endsWith(".internal.VersionsMetadata")) {
                relatedMetadata.put(versionKey, (MergeableMetadata) metadata);
            }