}

  private static int totalSize(Iterable<? extends Entry<?>> entries) {
    int sum = 0;
    for (Entry<?> entry : entries) {
      sum += entry.getCount();
    }
    return sum;
  }

  private enum SubMultisetSpec {
    TAIL_CLOSED {
      @Override
      <E> List<Entry<E>> expectedEntries(int targetEntry, List<Entry<E>> entries) {
        return entries.subList(targetEntry, entries.size());
      }

    /**
     * Enumeration of predefined statistics actions that can be recorded
     * during crawler operations. Each action represents a specific event
     * or milestone in the crawling process.
     */
    public enum StatsAction {
        /** Indicates that a URL was successfully accessed. */
        ACCESSED,
        /** Indicates that an exception occurred during URL access. */
        ACCESS_EXCEPTION,

    private final AtomicLong totalChannelsCreated = new AtomicLong(0);

    /**
     * Load balancing strategies for distributing operations across channels.
     */
    public enum LoadBalancingStrategy {
        /** Round-robin distribution */
        ROUND_ROBIN,
        /** Least connections */
        LEAST_CONNECTIONS,
        /** Random selection */
        RANDOM,

   * Arrays::compareUnsigned}.
   */
  public static Comparator<long[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  enum LexicographicalComparator implements Comparator<long[]> {
    INSTANCE;

    @Override
    public int compare(long[] left, long[] right) {
      int minLength = Math.min(left.length, right.length);

 * which case the root node of the resulting graph has no associated dependency.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface DependencyResolverRequest extends RepositoryAwareRequest {

    enum RequestType {
        COLLECT,
        FLATTEN,
        RESOLVE
    }

    @Nonnull
    RequestType getRequestType();

    @Nonnull
    Optional<Project> getProject();

    @Nonnull

    SupplierFunction<T> sf = (SupplierFunction<T>) SupplierFunctionImpl.INSTANCE;
    return sf;
  }

  private interface SupplierFunction<T extends @Nullable Object> extends Function<Supplier<T>, T> {}

  private enum SupplierFunctionImpl implements SupplierFunction<@Nullable Object> {
    INSTANCE;

    // Note: This makes T a "pass-through type"
    @Override
    public @Nullable Object apply(Supplier<@Nullable Object> input) {

     * cancellation purposes are the main reason to access `futures`, as discussed in its docs.)
     */
    this.futures = null;
  }

  enum ReleaseResourcesReason {
    OUTPUT_FUTURE_DONE,
    ALL_INPUT_FUTURES_PROCESSED,
  }

  /**
   * If {@code allMustSucceed} is true, called as each future completes; otherwise, if {@code

        assertEquals("Second payload should be AnotherTestPayload", AnotherTestPayload.class, multiAnnotation.payload()[1]);
    }

    // Test ProtocolType enum values
    @Test
    public void test_protocolTypeEnumValues() {
        final ProtocolType[] values = ProtocolType.values();
        assertEquals("Should have 2 protocol types", 2, values.length);

            InputLocation location = coreExtension.getLocation("");
            gasLocations.computeIfAbsent(ga, k -> new ArrayList<>()).add(location);
            // TODO: metaversions could be extensible enum with these two values out of the box
            if ("LATEST".equals(coreExtension.getVersion()) || "RELEASE".equals(coreExtension.getVersion())) {

   * Arrays::compareUnsigned}.
   */
  public static Comparator<int[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  enum LexicographicalComparator implements Comparator<int[]> {
    INSTANCE;

    @Override
    // A call to bare "min" or "max" would resolve to our varargs method, not to any static import.