* @return This request, never {@code null}.
     */
    @Override
    MetadataResolutionRequest setOffline(boolean offline);

    /**
     * Gets the artifact to resolve metadata for.
     *
     * @return The artifact to resolve metadata for or {@code null} if not set.
     */
    Artifact getArtifact();

    /**

    if (entry != null && entry.key == key) {
      return entry.value;
    }
    entry = cacheEntry2;
    if (entry != null && entry.key == key) {
      // Promote second cache entry to first so the access pattern
      // [K1, K2, K1, K3, K1, K4...] still hits the cache half the time.
      addToCache(entry);
      return entry.value;
    }
    return null;
  }

  @Override
  void clearCache() {
    super.clearCache();

        if (groupId == null || version == null) {
            Element parentElement = root.child(PARENT).orElse(null);
            if (parentElement != null) {
                if (groupId == null) {
                    groupId = parentElement.childTextTrimmed(MavenPomElements.Elements.GROUP_ID);
                }
                if (version == null) {

     *
     * @return The transitive dependencies, never {@code null}.
     */
    List<Dependency> getDependencies();

    /**
     * Gets the dependencies that were successfully resolved.
     *
     * @return The resolved dependencies, never {@code null}.
     */
    List<Dependency> getResolvedDependencies();

    /**

  val sections = sections(withoutSectionSpans)

  val rangesBuffer = Buffer()
  val mappingsBuffer = StringBuilder()
  val sectionIndexBuffer = Buffer()

  var previousMappedRanges: List<MappedRange>? = null

  for ((section, sectionMappedRanges) in sections) {
    // Skip sequential ranges when they are equal.
    if (sectionMappedRanges == previousMappedRanges) continue
    previousMappedRanges = sectionMappedRanges

    node.thread = null; // mark as 'deleted'
    restart:
    while (true) {
      Waiter pred = null;
      Waiter curr = waitersField;
      if (curr == Waiter.TOMBSTONE) {
        return; // give up if someone is calling complete
      }
      Waiter succ;
      while (curr != null) {
        succ = curr.next;
        if (curr.thread != null) { // we aren't unlinking this node, update pred.

        return LegacyLocalRepositoryManager.overlay(localRepository, legacySupport.getRepositorySession(), null);
    }

    private void injectSession1(RepositoryRequest request, MavenSession session) {
        if (session != null) {
            request.setOffline(session.isOffline());
            request.setForceUpdate(session.getRequest().isUpdateSnapshots());
        }
    }

     * @return map of attribute names to values, never {@code null}
     */
    @Nonnull
    Map<String, String> attributes();

    /**
     * Returns the value of a specific attribute.
     *
     * @param name the name of the attribute to retrieve
     * @return the attribute value, or {@code null} if the attribute doesn't exist
     * @throws NullPointerException if name is null
     */
    @Nullable

                    Arguments.of(null, null, "4.1.0", false, "Should disable plugins when only --model-version is set"),
                    Arguments.of(false, null, null, false, "Should disable plugins when --all=false"),
                    Arguments.of(null, null, null, true, "Should enable plugins by default when no options specified"));
        }
    }

    @Nested
    @DisplayName(".mvn Directory Creation")

                .installationSettingsSource(
                        installationSettingsPath != null && Files.exists(installationSettingsPath)
                                ? Sources.fromPath(installationSettingsPath)
                                : null)
                .projectSettingsSource(
                        projectSettingsPath != null && Files.exists(projectSettingsPath)