* This determines whether to search in release repositories, snapshot repositories, or both.
     *
     * @return the repository nature, never {@code null}
     */
    @Nonnull
    Nature getNature();

    /**
     * Creates a version range resolver request using the session's repositories.
     *
     * @param session the session to use, must not be {@code null}

            } else {
                Metadata.Nature wantedNature;
                String natureString = ConfigUtils.getString(
                        session, request.getNature().name(), Constants.MAVEN_VERSION_RANGE_RESOLVER_NATURE_OVERRIDE);
                if ("auto".equals(natureString)) {
                    org.eclipse.aether.artifact.Artifact lowerArtifact = lowerBound != null