key = ""
	}
	var u uuid.UUID
	if key != "" {
		u, err = uuid.Parse(key)
		if err != nil {
			return -1, nil, errFileVersionNotFound
		}
	}
	return x.findVersion(u)
}

func (x *xlMetaV2) findVersion(key [16]byte) (idx int, ver *xlMetaV2Version, err error) {
	for i, ver := range x.versions {
		if key == ver.header.VersionID {
			obj, err := x.getIdx(i)
			return i, obj, err
		}

		failOnErr(i+1, xl.AddVersion(fi))
		fi.ExpireRestored = tc.expireRestored
		fileInfos = append(fileInfos, fi)
	}

	for i, tc := range testCases {
		_, version, err := xl.findVersion(uuid.MustParse(tc.versionID))
		failOnErr(i+1, err)
		if got := xl.SharedDataDirCount(version.getVersionID(), version.ObjectV2.DataDir); got != tc.shares {

    }

    @Override
    public List<String> findVersions(Artifact artifact) {
        Collection<String> versions = new LinkedHashSet<>();

        if (buildReactor != null) {
            versions.addAll(buildReactor.findVersions(artifact));
        }

        if (ideWorkspace != null) {
            versions.addAll(ideWorkspace.findVersions(artifact));
        }

        }

        return file;
    }

    @Override
    public List<String> findVersions(Artifact artifact) {
        requireNonNull(artifact, "artifact cannot be null");
        Collection<String> versions = new LinkedHashSet<>();

        for (WorkspaceReader reader : readers) {
            versions.addAll(reader.findVersions(artifact));
        }

        return Collections.unmodifiableList(new ArrayList<>(versions));

     * @return The available versions of the artifact or an empty list if none, never {@code null}.
     * @since 3.0-alpha-3
     */
    List<String> findVersions(Artifact artifact);

    /**
     * Indicates whether this repository is backed by actual projects. For instance, the build reactor or IDE workspace
     * are examples of such repositories.
     *

            throw new ArtifactMetadataRetrievalException(e.getMessage(), e, request.getArtifact());
        }

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

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

    @Override

        if (artifactFile.exists()) {
            artifact.setResolved(true);
        }

        return artifact;
    }

    @Override
    public List<String> findVersions(Artifact artifact) {
        return Collections.emptyList();
    }

    @Override
    public boolean isProjectAware() {
        return false;
    }

    @Override

        WorkspaceReader workspace = session.getWorkspaceReader();
        if (workspace != null) {
            List<String> versions = workspace.findVersions(request.getArtifact());
            for (String version : versions) {
                versionIndex.put(version, workspace.getRepository());
            }
        }

        // with multiple local repository implementations yet.
        artifact.setFile(artifactFile);

        return artifact;
    }

    @Override
    public List<String> findVersions(Artifact artifact) {
        return Collections.emptyList();
    }

    @Override
    public String getId() {
        return id;
    }

    @Override
    public String getUrl() {

                    Metadata.Nature.RELEASE_OR_SNAPSHOT);
        } else if (version.endsWith(SNAPSHOT)) {
            WorkspaceReader workspace = session.getWorkspaceReader();
            if (workspace != null && workspace.findVersions(artifact).contains(version)) {
                metadata = null;
                result.setRepository(workspace.getRepository());
            } else {
                metadata = new DefaultMetadata(