*
 * Version metadata contains list of existing baseVersions within this GA.
 */
class VersionsMetadataGenerator implements MetadataGenerator {

    private final Map<Object, VersionsMetadata> versions;

    private final Map<Object, VersionsMetadata> processedVersions;

    private final Date timestamp;

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

    public MetadataGenerator newInstance(RepositorySystemSession session, InstallRequest request) {
        return new VersionsMetadataGenerator(session, request);
    }

    @Override
    public MetadataGenerator newInstance(RepositorySystemSession session, DeployRequest request) {
        return new VersionsMetadataGenerator(session, request);
    }

    @SuppressWarnings("checkstyle:magicnumber")
    @Override