/** Benchmark for {@code BaseEncoding} performance. */
@NullUnmarked
public class BaseEncodingBenchmark {
  private static final int INPUTS_COUNT = 0x1000;
  private static final int INPUTS_MASK = 0xFFF;

  enum EncodingOption {
    BASE64(BaseEncoding.base64()),
    BASE64_URL(BaseEncoding.base64Url()),
    BASE32(BaseEncoding.base32()),
    BASE32_HEX(BaseEncoding.base32Hex()),
    BASE16(BaseEncoding.base16());

  static final String ERROR_ELEMENT_REMOVED = "used to generate this set";
  private static final String NODE_STRING = "Node";
  private static final String EDGE_STRING = "Edge";

  enum EdgeType {
    UNDIRECTED,
    DIRECTED;
  }

  private TestUtil() {}

  static void assertNodeNotInGraphErrorMessage(Throwable throwable) {
    assertThat(throwable).hasMessageThat().startsWith(NODE_STRING);

  static final String ENDPOINTS_MISMATCH =
      "Mismatch: endpoints' ordering is not compatible with directionality of the graph";

  /** Singleton edge value for {@link Graph} implementations backed by {@link ValueGraph}s. */
  enum Presence {
    EDGE_EXISTS
  }

    private final ConcurrentHashMap<String, ChangeNotificationHandle> activeWatchers;
    private final ConcurrentHashMap<String, Integer> failureCounts;

    /**
     * Directory change types
     */
    public enum DirectoryChangeType {
        /**
         * File was added to the directory
         */
        FILE_ADDED,
        /**
         * File was removed from the directory
         */
        FILE_REMOVED,

 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface ModelBuilderRequest extends RepositoryAwareRequest {

    /**
     * The possible request types for building a model.
     */
    enum RequestType {
        /**
         * The request is for building an initial model from a POM file in a project on the filesystem.
         */
        BUILD_PROJECT,
        /**

 * AbstractSet#iterator()}.
 */
abstract class IncidentEdgeSet<N> extends AbstractSet<EndpointPair<N>> {
  final N node;
  final ArchetypeGraph<N> graph;
  final EdgeType edgeType;

  enum EdgeType {
    INCOMING, // incoming incident edges only
    OUTGOING, // outgoing incident edges only
    BOTH // both incoming and outgoing incident edges
  }

     * <p>
     * The validation levels are cumulative, with higher versions including all validations
     * from lower versions plus additional checks specific to that version.
     */
    enum Version {
        /**
         * Base validation level that applies to all POM versions.
         * Includes fundamental structural validations.
         */
        BASE,

        /**

    }

    private static void addError(Map<File, List<Error>> errors, File file, Error error) {
        errors.computeIfAbsent(file, f -> new ArrayList<>()).add(error);
    }

    private enum Language { KOTLIN, GROOVY, UNKNOWN }

    private static final class Snippet {
        final int line;       // line of the [.multi-language-sample] header

                                "in": "query",
                                "required": False,
                                "schema": {
                                    "enum": ["created_at", "updated_at"],
                                    "type": "string",
                                    "default": "created_at",
                                    "title": "Order By",

 * collection instance can only be one size at once.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum CollectionSize implements Feature<Collection>, Comparable<CollectionSize> {
  /** Test an empty collection. */
  ZERO(0),
  /** Test a one-element collection. */
  ONE(1),
  /** Test a three-element collection. */