*     <li>"release_or_snapshot" - the default</li>
     *     <li>"release" - query only release repositories to discover versions</li>
     *     <li>"snapshot" - query only snapshot repositories to discover versions</li>
     * </ul>
     * Default (when unset) is existing Maven behaviour: "release_or_snapshots".
     * @since 4.0.0
     */

    public Nature getNature() {
        if (metadata instanceof RepositoryMetadata repositoryMetadata) {
            return switch (repositoryMetadata.getNature()) {
                case RepositoryMetadata.RELEASE_OR_SNAPSHOT -> Nature.RELEASE_OR_SNAPSHOT;
                case RepositoryMetadata.SNAPSHOT -> Nature.SNAPSHOT;
                default -> Nature.RELEASE;
            };
        } else {
            return Nature.RELEASE;
        }

    }

    @Override
    public ArtifactRepositoryPolicy getPolicy(ArtifactRepository repository) {
        int nature = getNature();
        if ((nature & RepositoryMetadata.RELEASE_OR_SNAPSHOT) == RepositoryMetadata.RELEASE_OR_SNAPSHOT) {
            ArtifactRepositoryPolicy policy = new ArtifactRepositoryPolicy(repository.getReleases());
            policy.merge(repository.getSnapshots());
            return policy;

            for (Restriction restriction : range.getRestrictions()) {
                if (isSnapshot(restriction.getLowerBound()) || isSnapshot(restriction.getUpperBound())) {
                    return RELEASE_OR_SNAPSHOT;
                }
            }
        }

        return RELEASE;
    }

    private boolean isSnapshot(ArtifactVersion version) {