*/
  public static <K extends @Nullable Object, V extends @Nullable Object>
      ArrayListMultimap<K, V> create(Multimap<? extends K, ? extends V> multimap) {
    return new ArrayListMultimap<>(multimap);
  }

  private ArrayListMultimap() {
    this(12, DEFAULT_VALUES_PER_KEY);
  }

  private ArrayListMultimap(int expectedKeys, int expectedValuesPerKey) {

  public void testCopyOfNullKey() {
    ArrayListMultimap<@Nullable String, Integer> input = ArrayListMultimap.create();
    input.put(null, 1);
    assertThrows(
        NullPointerException.class,
        () -> ImmutableListMultimap.copyOf((ArrayListMultimap<String, Integer>) input));
  }

  public void testCopyOfNullValue() {
    ArrayListMultimap<String, @Nullable Integer> input = ArrayListMultimap.create();

  public void testCreateFromArrayListMultimap() {
    ArrayListMultimap<String, Integer> original = ArrayListMultimap.create(15, 20);
    ArrayListMultimap<String, Integer> multimap = ArrayListMultimap.create(original);
    assertEquals(20, multimap.expectedValuesPerKey);
  }

  public void testTrimToSize() {
    ArrayListMultimap<String, Integer> multimap = ArrayListMultimap.create();
    multimap.put("foo", 1);

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Joiner;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Lists;
import com.google.common.collect.MutableClassToInstanceMap;

  }

  public void testEmptyMultimapsEqual() {
    Multimap<String, Integer> setMultimap = HashMultimap.create();
    Multimap<String, Integer> listMultimap = ArrayListMultimap.create();
    assertTrue(setMultimap.equals(listMultimap));
    assertTrue(listMultimap.equals(setMultimap));
  }

  }

  public void testEmptyMultimapsEqual() {
    Multimap<String, Integer> setMultimap = HashMultimap.create();
    Multimap<String, Integer> listMultimap = ArrayListMultimap.create();
    assertTrue(setMultimap.equals(listMultimap));
    assertTrue(listMultimap.equals(setMultimap));
  }

import static junit.framework.TestCase.assertTrue;
import static junit.framework.TestCase.fail;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.LinkedHashMultiset;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multiset;
import java.util.ArrayList;
import java.util.Collection;

    assertEquals(multimap, input);
    assertEquals(input, multimap);
  }

  public void testCopyOfWithDuplicates() {
    ArrayListMultimap<Object, Object> input = ArrayListMultimap.create();
    input.put("foo", 1);
    input.put("bar", 2);
    input.put("foo", 3);
    input.put("foo", 1);
    ImmutableSetMultimap<Object, Object> copy = ImmutableSetMultimap.copyOf(input);

    assertEquals(multimap, input);
    assertEquals(input, multimap);
  }

  public void testCopyOfWithDuplicates() {
    ArrayListMultimap<Object, Object> input = ArrayListMultimap.create();
    input.put("foo", 1);
    input.put("bar", 2);
    input.put("foo", 3);
    input.put("foo", 1);
    ImmutableSetMultimap<Object, Object> copy = ImmutableSetMultimap.copyOf(input);

      }
    },
    ;
  }

  public enum ListMultimapImpl {
    ArrayListMultimapImpl {
      @Override
      <K, V> ListMultimap<K, V> create(Multimap<K, V> contents) {
        return ArrayListMultimap.create(contents);
      }
    },
    LinkedListMultimapImpl {
      @Override
      <K, V> ListMultimap<K, V> create(Multimap<K, V> contents) {
        return LinkedListMultimap.create(contents);
      }