import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import java.util.HashSet;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Stream;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;

import java.lang.annotation.RetentionPolicy;
import java.lang.ref.WeakReference;
import java.lang.reflect.Field;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.HashSet;
import java.util.Set;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link Enums}.
 *
 * @author Steve McKay
 */
@GwtIncompatible
@J2ktIncompatible

    public String toString() {
      return toString;
    }
  }

  Stimulus<E, Iterator<E>> hasNext =
      new Stimulus<E, Iterator<E>>("hasNext") {
        @Override
        void executeAndCompare(ListIterator<E> reference, Iterator<E> target) {
          assertEquals(reference.hasNext(), target.hasNext());
        }
      };
  Stimulus<E, Iterator<E>> next =
      new Stimulus<E, Iterator<E>>("next") {

        assertArgumentNotNull("iterator", iterator);

        this.iterator = iterator;
        this.index = 0;
    }

    @Override
    public boolean hasNext() {
        return iterator.hasNext();
    }

    @Override
    public Indexed<T> next() {
        return new Indexed<>(iterator.next(), index++);
    }

    @Override
    public void remove() {

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.util.HashSet;
import java.util.Set;

import org.codelibs.fess.crawler.builder.RequestDataBuilder;
import org.codelibs.fess.crawler.client.CrawlerClient;
import org.codelibs.fess.crawler.client.CrawlerClientFactory;

import java.lang.reflect.GenericArrayType;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.lang.reflect.WildcardType;
import java.util.HashSet;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * Based on what a {@link Type} is, dispatch it to the corresponding {@code visit*} method. By

    assertThat(union(newHashSet(1, 2), newHashSet(2, 3)).copyInto(new HashSet<>()))
        .containsExactly(1, 2, 3);
    assertThat(intersection(newHashSet(1, 2), newHashSet(2, 3)).copyInto(new HashSet<>()))
        .containsExactly(2);
    assertThat(difference(newHashSet(1, 2), newHashSet(2, 3)).copyInto(new HashSet<>()))
        .containsExactly(1);

    return new UnmodifiableIterator<V>() {
      final UnmodifiableIterator<Entry<K, V>> entryItr = map.entrySet().iterator();

      @Override
      public boolean hasNext() {
        return entryItr.hasNext();
      }

      @Override
      public V next() {
        return entryItr.next().getValue();
      }
    };
  }

  @Override
  public boolean contains(@Nullable Object object) {

    checkPositionIndex(position, size);
    this.size = size;
    this.position = position;
  }

  @Override
  public final boolean hasNext() {
    return position < size;
  }

  @Override
  @ParametricNullness
  public final E next() {
    if (!hasNext()) {
      throw new NoSuchElementException();
    }
    return get(position++);
  }

  @Override
  public final int nextIndex() {

            final StringBuilder value = new StringBuilder();
            final Iterator<String> values = property.getValue().iterator();
            while (values.hasNext()) {
                value.append(values.next());
                if (values.hasNext()) {
                    value.append(", ");
                }
            }
            this.setRequestProperty(key, value.toString());
        }