}

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(SUPPORTS_REMOVE)
  /*
   * We are comparing Multimaps of the same type, so as long as they have value collections that
   * implement equals() (as with ListMultimap or SetMultimap, as opposed to a QueueMultimap or
   * something), our equality check is value-based.
   */
  @SuppressWarnings("UndefinedEquals")
  public void testRetainAllPropagatesToMultimap() {

  List<V> createCollection() {
    return new ArrayList<>(expectedValuesPerKey);
  }

  /**
   * Reduces the memory used by this {@code ArrayListMultimap}, if feasible.
   *
   * @deprecated For a {@link ListMultimap} that automatically trims to size, use {@link
   *     ImmutableListMultimap}. If you need a mutable collection, remove the {@code trimToSize}
   *     call, or switch to a {@code HashMap<K, ArrayList<V>>}.
   */

import java.util.Map;
import java.util.Map.Entry;
import java.util.function.Function;
import java.util.stream.Collector;
import java.util.stream.Stream;
import org.jspecify.annotations.Nullable;

/**
 * A {@link ListMultimap} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *
 * <p>See the Guava User Guide article on <a href=

  @J2ktIncompatible
  @AndroidIncompatible // test-suite builders
  public static class ImmutableListMultimapGenerator extends TestStringListMultimapGenerator {
    @Override
    protected ListMultimap<String, String> create(Entry<String, String>[] entries) {
      ImmutableListMultimap.Builder<String, String> builder = ImmutableListMultimap.builder();
      for (Entry<String, String> entry : entries) {

          K extends @Nullable Object, V extends @Nullable Object>
      extends SynchronizedMultimap<K, V> implements ListMultimap<K, V> {
    SynchronizedListMultimap(ListMultimap<K, V> delegate, @Nullable Object mutex) {
      super(delegate, mutex);
    }

    @Override
    ListMultimap<K, V> delegate() {
      return (ListMultimap<K, V>) super.delegate();
    }

    @Override
    public List<V> get(K key) {

import java.util.Map;
import java.util.Map.Entry;
import java.util.function.Function;
import java.util.stream.Collector;
import java.util.stream.Stream;
import org.jspecify.annotations.Nullable;

/**
 * A {@link ListMultimap} whose contents will never change, with many other important properties
 * detailed at {@link ImmutableCollection}.
 *
 * <p>See the Guava User Guide article on <a href=

  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(SUPPORTS_REMOVE)
  /*
   * We are comparing Multimaps of the same type, so as long as they have value collections that
   * implement equals() (as with ListMultimap or SetMultimap, as opposed to a QueueMultimap or
   * something), our equality check is value-based.
   */
  @SuppressWarnings("UndefinedEquals")
  public void testRetainAllPropagatesToMultimap() {

  List<V> createCollection() {
    return new ArrayList<>(expectedValuesPerKey);
  }

  /**
   * Reduces the memory used by this {@code ArrayListMultimap}, if feasible.
   *
   * @deprecated For a {@link ListMultimap} that automatically trims to size, use {@link
   *     ImmutableListMultimap}. If you need a mutable collection, remove the {@code trimToSize}
   *     call, or switch to a {@code HashMap<K, ArrayList<V>>}.
   */

          K extends @Nullable Object, V extends @Nullable Object>
      extends SynchronizedMultimap<K, V> implements ListMultimap<K, V> {
    SynchronizedListMultimap(ListMultimap<K, V> delegate, @Nullable Object mutex) {
      super(delegate, mutex);
    }

    @Override
    ListMultimap<K, V> delegate() {
      return (ListMultimap<K, V>) super.delegate();
    }

    @Override
    public List<V> get(K key) {

   * Equality does not depend on the ordering of keys or values.
   *
   * <p>An empty {@code SetMultimap} is equal to any other empty {@code Multimap}, including an
   * empty {@code ListMultimap}.
   */
  @Override
  boolean equals(@Nullable Object obj);