*/
@NullUnmarked
public class MessageDigestAlgorithmBenchmark {
  @Param({"10", "1000", "100000", "1000000"})
  int size;

  @Param Algorithm algorithm;
  @Param HashMethod hashMethod;

  private enum HashMethod {
    MESSAGE_DIGEST_API() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        MessageDigest md = algorithm.getMessageDigest();
        md.update(input);

 */
@NullUnmarked
public class MessageDigestAlgorithmBenchmark {
  @Param({"10", "1000", "100000", "1000000"})
  int size;

  @Param Algorithm algorithm;
  @Param HashMethod hashMethod;

  private enum HashMethod {
    MESSAGE_DIGEST_API() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        MessageDigest md = algorithm.getMessageDigest();
        md.update(input);

   * we're not calling it from JavaScript, we suppress the warning.
   */
  @JsMethod
  @SuppressWarnings("unusable-by-js")
  private static native <E extends Enum<E>> @Nullable Class<E> getDeclaringClassOrNullForJ2cl(
      E e) /*-{
    return ******@****.***.Enum::getDeclaringClass()();
  }-*/;

  static int reduceIterationsIfGwt(int iterations) {
    return iterations / 10;
  }

 * @author Jared Levy
 */
@J2ktIncompatible // EnumBimap
@GwtCompatible
@NullMarked
public class EnumBiMapTest extends TestCase {
  private enum Currency {
    DOLLAR,
    FRANC,
    PESO,
    POUND,
    YEN
  }

  private enum Country {
    CANADA,
    CHILE,
    JAPAN,
    SWITZERLAND,
    UK
  }

  @AndroidIncompatible // test-suite builders

import java.util.ListIterator;
import java.util.Set;

/**
 * A method supported by implementations of the {@link Iterator} or {@link ListIterator} interface.
 *
 * <p>This enum is GWT compatible.
 *
 * @author Chris Povirk
 */
@GwtCompatible
public enum IteratorFeature {
  /** Support for {@link Iterator#remove()}. */
  SUPPORTS_REMOVE,
  /**
   * Support for {@link ListIterator#add(Object)}; ignored for plain {@link Iterator}

		sid_t *sid;
	} LsarDomainInfo;

	typedef struct {
		unicode_string name;
		unicode_string dns_domain;
		unicode_string dns_forest;
		uuid_t domain_guid;
		sid_t *sid;
	} LsarDnsDomainInfo;

	enum {
		POLICY_INFO_AUDIT_EVENTS   = 2,
		POLICY_INFO_PRIMARY_DOMAIN = 3,
		POLICY_INFO_ACCOUNT_DOMAIN = 5,
		POLICY_INFO_SERVER_ROLE    = 6,
		POLICY_INFO_MODIFICATION   = 9,
		POLICY_INFO_DNS_DOMAIN     = 12
	};

		sid_t *sid;
	} LsarDomainInfo;

	typedef struct {
		unicode_string name;
		unicode_string dns_domain;
		unicode_string dns_forest;
		uuid_t domain_guid;
		sid_t *sid;
	} LsarDnsDomainInfo;

	enum {
		POLICY_INFO_AUDIT_EVENTS   = 2,
		POLICY_INFO_PRIMARY_DOMAIN = 3,
		POLICY_INFO_ACCOUNT_DOMAIN = 5,
		POLICY_INFO_SERVER_ROLE    = 6,
		POLICY_INFO_MODIFICATION   = 9,
		POLICY_INFO_DNS_DOMAIN     = 12
	};

     */
    static GetCheckedTypeValidator getBestValidator() {
      try {
        @SuppressWarnings("rawtypes") // class literals
        Class<? extends Enum> theClass =
            Class.forName(CLASS_VALUE_VALIDATOR_NAME).asSubclass(Enum.class);
        return (GetCheckedTypeValidator) theClass.getEnumConstants()[0];
      } catch (ClassNotFoundException
          | RuntimeException

<img src="/img/tutorial/path-operation-configuration/image01.png">

### 🔖 ⏮️ 🔢

🚥 👆 ✔️ 🦏 🈸, 👆 5️⃣📆 🔚 🆙 📈 **📚 🔖**, &amp; 👆 🔜 💚 ⚒ 💭 👆 🕧 ⚙️ **🎏 🔖** 🔗 *➡ 🛠️*.

👫 💼, ⚫️ 💪 ⚒ 🔑 🏪 🔖 `Enum`.

**FastAPI** 🐕‍🦺 👈 🎏 🌌 ⏮️ ✅ 🎻:

{* ../../docs_src/path_operation_configuration/tutorial002b.py hl[1,8:10,13,18] *}

## 📄 &amp; 📛

👆 💪 🚮 `summary` &amp; `description`:

/**
 * Utility class for converting between various ASCII case formats. Behavior is undefined for
 * non-ASCII input.
 *
 * @author Mike Bostock
 * @since 1.0
 */
@GwtCompatible
public enum CaseFormat {
  /**
   * Hyphenated variable naming convention, e.g., "lower-hyphen". This format is also colloquially
   * known as "kebab case".
   */
  LOWER_HYPHEN(CharMatcher.is('-'), "-") {
    @Override