*     wait on each method call to the proxy
   * @return a time-limiting proxy
   * @throws IllegalArgumentException if {@code interfaceType} is a regular class, enum, or
   *     annotation type, rather than an interface
   */
  <T> T newProxy(T target, Class<T> interfaceType, long timeoutDuration, TimeUnit timeoutUnit);

  /**

import org.junit.jupiter.params.provider.EnumSource;
import org.mockito.junit.jupiter.MockitoExtension;

@ExtendWith(MockitoExtension.class)
public class JAASAuthenticatorTest {

    enum SubjectVariant {
        DEFAULT_NO_PS, // configuration null, no preset Subject
        DEFAULT_WITH_PS, // configuration null, but super.getSubject() returns non-null

     *
     * @return the programmatic name of this path type
     */
    @Nonnull
    String name();

    /**
     * {@return a string representation for this extensible enum describing a path type}
     * For example {@code "PathType[PATCH_MODULE:foo.bar]"}.
     */
    @Nonnull
    @Override
    String toString();

  /**
   * Class used to test whether equals() correctly handles an instance of an incompatible class.
   * Since it is a private inner class, the invoker can never pass in an instance to the tester
   */
  private enum NotAnInstance {
    EQUAL_TO_NOTHING;
  }

```
cat ${HADOOP_CONF_DIR}/core-site.xml | kv-pairify | grep "mapred"

mapred.maxthreads.generate.mapoutput=2 # Num threads to write map outputs
mapred.maxthreads.partition.closer=0 # Asynchronous map flushers
mapreduce.fileoutputcommitter.algorithm.version=2 # Use the latest committer version

    assertThat(ComparisonChain.start().compareTrueFirst(false, true).result()).isGreaterThan(0);
    assertThat(ComparisonChain.start().compareTrueFirst(false, false).result()).isEqualTo(0);
  }

  enum TriState {
    FALSE,
    MAYBE,
    TRUE,
  }

  static class Foo {
    private final String aString;
    private final int anInt;
    private final @Nullable TriState anEnum;

   *   <li>normalNullable: only second param is Nullable
   *   <li>nullableNullable: both params are Nullable
   * </ul>
   */
  public static class TwoArg {
    /** Action to take on a null param. */
    public enum Action {
      THROW_A_NPE {
        @Override
        public void act() {
          throw new NullPointerException();
        }
      },
      THROW_OTHER {
        @Override

        return webConfigList.get(0);
    }

    @AfterEach
    void deleteWebConfig() {
        final Map<String, Object> searchBody = new HashMap<>();
        searchBody.put("size", NUM * 2);
        final String webConfigId = getWebConfigId();
        checkMethodBase(searchBody).delete("/api/admin/webconfig/setting/" + webConfigId).then().body("response.status", equalTo(0));
    }

    @Override

    this.equivalence = checkNotNull(equivalence);
  }

  /**
   * Different orderings for combining the elements of an input array, which must all produce the
   * same result.
   */
  enum CollectStrategy {
    /** Get one accumulator and accumulate the elements into it sequentially. */
    SEQUENTIAL {
      @Override
      final <T extends @Nullable Object, A extends @Nullable Object, R extends @Nullable Object>

 */
@J2ktIncompatible
@GwtIncompatible
final class SequentialExecutor implements Executor {
  private static final LazyLogger log = new LazyLogger(SequentialExecutor.class);

  enum WorkerRunningState {
    /** Runnable is not running and not queued for execution */
    IDLE,
    /** Runnable is not running, but is being queued for execution */
    QUEUING,