import static com.google.common.truth.Truth.assertThat;
import static java.util.Arrays.asList;
import static java.util.Collections.emptyList;
import static java.util.Collections.emptySet;
import static java.util.Collections.nCopies;
import static java.util.Collections.singleton;
import static java.util.Collections.singletonList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;

  }

  public void testIn_apply() {
    Collection<Integer> nums = Arrays.asList(1, 5);
    Predicate<@Nullable Integer> isOneOrFive = Predicates.in(nums);

    assertTrue(isOneOrFive.apply(1));
    assertTrue(isOneOrFive.apply(5));
    assertFalse(isOneOrFive.apply(3));
    assertFalse(isOneOrFive.apply(null));
  }

  public void testIn_equality() {
    Collection<Integer> nums = ImmutableSet.of(1, 5);

    // We copy elements to an ArrayList first, rather than incurring the
    // quadratic cost of adding them to the COWAL directly.
    Collection<? extends E> elementsCollection =
        (elements instanceof Collection)
            ? (Collection<? extends E>) elements
            : newArrayList(elements);
    return new CopyOnWriteArrayList<>(elementsCollection);
  }

  /**

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.Collection;

/**
 * Implementation of {@link ImmutableListMultimap} with no entries.
 *
 * @author Jared Levy
 */
@GwtCompatible
final class EmptyImmutableListMultimap extends ImmutableListMultimap<Object, Object> {

   * half of that is more awkward to arrange...
   */
  private static <T> Iterable<T> iterable(Collection<T> collection) {
    // return collection::iterator;
    return new Iterable<T>() {
      @Override
      public Iterator<T> iterator() {
        return collection.iterator();
      }
    };
  }

  public void testEquals() {
    new EqualsTester()

  @CollectionSize.Require(ZERO)
  public void testIsEmpty_yes() {
    assertTrue("isEmpty() should return true", collection.isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testIsEmpty_no() {
    assertFalse("isEmpty() should return false", collection.isEmpty());
  }

    return new OpenJdk6SetTests().allTests();
  }

  @Override
  protected Collection<Method> suppressForTreeSetNatural() {
    return asList(
        getAddNullUnsupportedMethod(),
        getAddAllNullUnsupportedMethod(),
        getCreateWithNullUnsupportedMethod());
  }

  @Override
  protected Collection<Method> suppressForCheckedSet() {

  public void testForEachUnknownOrder() {
    List<E> elements = new ArrayList<>();
    collection.forEach(elements::add);
    assertEqualIgnoringOrder(asList(createSamplesArray()), elements);
  }

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testForEachKnownOrder() {
    List<E> elements = new ArrayList<>();
    collection.forEach(elements::add);
    List<E> expected = copyToList(getOrderedElements());

import java.util.function.Function;
import java.util.stream.Collector;
import java.util.stream.Collectors;
import org.jspecify.annotations.Nullable;

/**
 * GWT emulation of {@link com.google.common.collect.ImmutableMap}. For non sorted maps, it is a
 * thin wrapper around {@link java.util.Collections#emptyMap()}, {@link
 * Collections#singletonMap(Object, Object)} and {@link java.util.LinkedHashMap} for empty,

import javax.inject.Named;
import javax.inject.Singleton;

import java.io.FileNotFoundException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.impl.ArtifactResolver;