return metadata;
    }

    @Override
    public void merge(org.apache.maven.repository.legacy.metadata.ArtifactMetadata metadata) {
        // TODO not sure that it should assume this, maybe the calls to addMetadata should pre-merge, then artifact
        // replaces?
        AbstractRepositoryMetadata repoMetadata = (AbstractRepositoryMetadata) metadata;
        this.metadata.merge(repoMetadata.getMetadata());
    }

    void setFile(File destination);

    String getBaseVersion();

    void setBaseVersion(String baseVersion);

    String getId();

    String getDependencyConflictId();

    void addMetadata(ArtifactMetadata metadata);

    Collection<ArtifactMetadata> getMetadataList();

    void setRepository(ArtifactRepository remoteRepository);

    ArtifactRepository getRepository();

    @Override
    public String getDependencyConflictId() {
        return artifact.getDependencyConflictId();
    }

    /** {@inheritDoc} */
    @Override
    public void addMetadata(ArtifactMetadata metadata) {
        artifact.addMetadata(metadata);
    }

    /** {@inheritDoc} */
    @Override
    public Collection<ArtifactMetadata> getMetadataList() {
        return artifact.getMetadataList();
    }

        sb.append(getType());
        if (hasClassifier()) {
            sb.append(':');
            sb.append(getClassifier());
        }
    }

    @Override
    public void addMetadata(ArtifactMetadata metadata) {
        if (metadataMap == null) {
            metadataMap = new HashMap<>();
        }

        ArtifactMetadata m = metadataMap.get(metadata.getKey());
        if (m != null) {

                final Map<String, String> blobMetadata = blob.getMetadata();
                if (blobMetadata != null) {
                    blobMetadata.forEach(responseData::addMetaData);
                }
                if (blob.getSize() < maxCachedContentSize) {
                    try (InputStream contentStream = new BufferedInputStream(Channels.newInputStream(blob.reader()))) {

                    || metadata instanceof ArtifactRepositoryMetadata) {
                // eaten, handled by repo system
            } else {
                request.addMetadata(new MetadataBridge(metadata));
            }
        }

        try {
            repoSystem.install(session, request);
        } catch (InstallationException e) {

        ArtifactMetadata metadata = createMetadata(artifact);

        artifact.addMetadata(metadata);
    }

    @Override
    public void transformForDeployment(
            Artifact artifact, ArtifactRepository remoteRepository, ArtifactRepository localRepository) {
        ArtifactMetadata metadata = createMetadata(artifact);

        artifact.addMetadata(metadata);
    }

        String snapshotKey = null;
        if (artifact.isSnapshot()) {
            snapshotKey = versionKey + ':' + artifact.getBaseVersion();
            request.addMetadata(relatedMetadata.get(snapshotKey));
        }
        request.addMetadata(relatedMetadata.get(versionKey));

        for (ArtifactMetadata metadata : artifact.getMetadataList()) {

                if (owner != null) {
                    responseData.addMetaData(FS_FILE_USER, owner.getName());
                }
            }

            final AclFileAttributeView aclFileAttributeView = Files.getFileAttributeView(file.toPath(), AclFileAttributeView.class);
            if (aclFileAttributeView != null) {
                responseData.addMetaData(FILE_ATTRIBUTE_VIEW, aclFileAttributeView);

            Snapshot snapshot = new Snapshot();
            snapshot.setLocalCopy(true);
            RepositoryMetadata metadata = new SnapshotArtifactRepositoryMetadata(artifact, snapshot);

            artifact.addMetadata(metadata);
        }
    }

    @Override
    public void transformForDeployment(
            Artifact artifact, ArtifactRepository remoteRepository, ArtifactRepository localRepository)