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 {

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

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

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

    @Override

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

                }
            }
            return packagedArtifactFile;
        }

        return null;
    }

    @Override
    public List<String> findVersions(Artifact artifact) {
        List<String> versions = getProjects()
                .getOrDefault(artifact.getGroupId(), Collections.emptyMap())
                .getOrDefault(artifact.getArtifactId(), Collections.emptyMap())