if (blob == null) {
                return Collections.emptyMap();
            }
            // GCS uses metadata instead of tags
            final Map<String, String> metadata = blob.getMetadata();
            return metadata != null ? new HashMap<>(metadata) : Collections.emptyMap();
        } catch (final Exception e) {
            throw new StorageException("Failed to get tags from " + objectName, e);
        }

        }

        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());
        }

        LocalMetadataResult result = new LocalMetadataResult(request);

        String path;

        Metadata metadata = request.getMetadata();
        String context = request.getContext();
        RemoteRepository remote = request.getRepository();

        if (remote != null) {
            path = getPathForRemoteMetadata(metadata, remote, context);

            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);
            }

        }

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

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

    @Override
    public List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(

                }
            }

            if (includeContent) {
                // Add blob metadata as response metadata (only when content is included)
                final Map<String, String> blobMetadata = blob.getMetadata();
                if (blobMetadata != null) {
                    blobMetadata.forEach(responseData::addMetaData);
                }
                if (blob.getSize() < maxCachedContentSize) {

        }

        return result;
    }

    @Override
    public LocalMetadataResult find(RepositorySystemSession session, LocalMetadataRequest request) {
        Metadata metadata = request.getMetadata();

        String path;
        if (request.getRepository() == null) {
            path = getPathForLocalMetadata(metadata);
        } else {

                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);