}
    derivedFeatures.remove(CollectionSize.ZERO);
    return derivedFeatures;
  }

  private static final class AsMapGenerator<K, V, M extends Multimap<K, V>>
      implements TestMapGenerator<K, Collection<V>>, DerivedGenerator {
    private final OneSizeTestContainerGenerator<M, Entry<K, V>> multimapGenerator;

    AsMapGenerator(OneSizeTestContainerGenerator<M, Entry<K, V>> multimapGenerator) {

        Object result = scriptEngine.evaluate(template, paramMap);
        assertNull(result);
    }

    // Test implementation of ScriptEngine for testing
    private static class TestScriptEngine implements ScriptEngine {
        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            if (template == null) {
                return null;
            }

import org.codelibs.fess.unit.UnitFessTestCase;

public class SearchLogEventTest extends UnitFessTestCase {

    // Test implementation of SearchLogEvent interface
    private static class TestSearchLogEvent implements SearchLogEvent {
        private String id;
        private Long versionNo;
        private String eventType;
        private Map<String, Object> sourceMap;

    }

    /**
     * Basic implementation of {@link Source} that uses a {@link Path} as the underlying source.
     */
    static class PathSource implements Source {
        @Nonnull
        protected final Path path;

        @Nonnull
        protected final String location;

        /**
         * Constructs a new PathSource with the specified path.

/**
 * A simplistic set which implements the bare minimum so that it can be used in tests without
 * relying on any specific Set implementations. Slow. Explicitly allows null elements so that they
 * can be used in the testers.
 *
 * @author Regina O'Dell
 */
@GwtCompatible
@NullMarked
public class MinimalSet<E extends @Nullable Object> extends MinimalCollection<E> implements Set<E> {

/**
 * A simplistic set which implements the bare minimum so that it can be used in tests without
 * relying on any specific Set implementations. Slow. Explicitly allows null elements so that they
 * can be used in the testers.
 *
 * @author Regina O'Dell
 */
@GwtCompatible
@NullMarked
public class MinimalSet<E extends @Nullable Object> extends MinimalCollection<E> implements Set<E> {

name: Feature request
about: Suggest an idea
title: ''
labels: enhancement
assignees: ''

---

Start by telling us what problem you’re trying to solve. Often a solution already exists!

  }

  private static final class WrappedCallable<T> implements Callable<T> {
    private final Callable<T> delegate;

    WrappedCallable(Callable<T> delegate) {
      this.delegate = delegate;
    }

    @Override
    public T call() throws Exception {
      return delegate.call();
    }
  }

  private static final class WrappedRunnable implements Runnable {
    private final Runnable delegate;

    addCallback(f, callback, directExecutor());
  }

  private class CountingSameThreadExecutor implements Executor {
    int runCount = 0;

    @Override
    public void execute(Runnable command) {
      command.run();
      runCount++;
    }
  }

  private final class MockCallback implements FutureCallback<String> {
    @Nullable private String value = null;

 * Optional features of classes derived from {@code Map}.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum MapFeature implements Feature<Map> {
  /**
   * The map does not throw {@code NullPointerException} on calls such as {@code containsKey(null)},
   * {@code get(null)}, {@code keySet().contains(null)} or {@code remove(null)}.
   */