FAILS_FAST_ON_CONCURRENT_MODIFICATION,
  /**
   * Indicates that the constructor or factory method of a map, usually an immutable map, throws an
   * {@link IllegalArgumentException} when presented with duplicate keys instead of discarding all
   * but one.
   */
  REJECTS_DUPLICATES_AT_CREATION,

  GENERAL_PURPOSE(SUPPORTS_PUT, SUPPORTS_REMOVE);

  private final Set<Feature<? super Map>> implied;

 * {@code org.apache.maven.api.spi.PathScopeProvider}.
 * <p>
 * Implementation must have {@code equals()} and {@code hashCode()} implemented, so implementations of this interface
 * can be used as keys.
 *
 * @since 4.0.0
 * @see org.apache.maven.api.services.DependencyResolver
 * @see DependencyScope
 */
@Experimental
@Immutable
public interface PathScope extends ExtensibleEnum {

        if (StringUtil.isNotBlank(key)) {
            textBuilder.append(key).append(fieldSeparator).append(value).append(lineSeparator);
        } else {
            textBuilder.append(value).append(lineSeparator);
        }

        // Add to metadata if at top level
        if (depth <= 1 && StringUtil.isNotBlank(key)) {
            metadataMap.computeIfAbsent(key, k -> new ArrayList<>()).add(value);
        }

func (s *Metadata) Set(k, v string) {
	for i, item := range s.Items {
		if item.Key == k {
			s.Items[i] = struct {
				Key   string
				Value string
			}{
				Key:   k,
				Value: v,
			}
			return
		}
	}
	s.Items = append(s.Items, struct {
		Key   string
		Value string
	}{
		Key:   k,
		Value: v,
	})
}

type xmlKeyEntry struct {
	XMLName xxml.Name

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.repository.internal.artifact;

/**
 * The keys for Maven specific properties of artifacts. These properties "extend" (or supplement) the Resolver
 * core properties defined in {@link org.eclipse.aether.artifact.ArtifactProperties}.
 *

    en_links = lang_links.get("en", [])
    en_links.sort(key=lambda x: x.preview_link)
    links.extend(en_links)

    langs = list(lang_links.keys())
    langs.sort()
    for lang in langs:
        if lang == "en":
            continue
        current_lang_links = lang_links[lang]
        current_lang_links.sort(key=lambda x: x.preview_link)
        links.extend(current_lang_links)

          Function<? super T, ? extends V> valueFunction) {
    checkNotNull(comparator);
    checkNotNull(keyFunction);
    checkNotNull(valueFunction);
    /*
     * We will always fail if there are duplicate keys, and the keys are always sorted by
     * the Comparator, so the entries can come in an arbitrary order -- so we report UNORDERED.
     */
    return Collector.of(
        () -> new ImmutableSortedMap.Builder<K, V>(comparator),

 *
 * {@snippet :
 * Map<Integer, Double> myPercentiles =
 *     percentiles().indexes(50, 90, 99).compute(myDataset);
 * }
 *
 * where {@link #percentiles()} has been statically imported: {@code myPercentiles} maps the keys
 * 50, 90, and 99, to their corresponding quantile values.
 *
 * <p>To compute quartiles, use {@link #quartiles()} instead of {@link #percentiles()}. To compute
 * arbitrary q-quantiles, use {@link #scale scale(q)}.
 *

            return exception;
        }
    }

    Key createKey(
            MavenProject project,
            Collection<String> scopesToCollect,
            Collection<String> scopesToResolve,
            boolean aggregating,
            RepositorySystemSession session);

    CacheRecord get(Key key) throws LifecycleExecutionException;

    CacheRecord put(Key key, Set<Artifact> pluginArtifacts);

                            .groupBy { it.take(5) } // e.g. 1.9.2(x)
                            .toSortedMap()
                        for (key in versionsByPatch.keys.reversed()) {
                            val versionsOfPatch = versionsByPatch.getValue(key)
                            if (versionsOfPatch.any { !it.contains("-") }) {
                                add(versionsOfPatch.first { !it.contains("-") })