*/
  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) {
    checkEntryNotNull(k1, v1);
    checkEntryNotNull(k2, v2);
    checkEntryNotNull(k3, v3);
    checkEntryNotNull(k4, v4);
    return new RegularImmutableBiMap<K, V>(new Object[] {k1, v1, k2, v2, k3, v3, k4, v4}, 4);
  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *

   */
  public static <K extends Comparable<? super K>, V> ImmutableSortedMap<K, V> of(
      K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) {
    return fromEntries(entryOf(k1, v1), entryOf(k2, v2), entryOf(k3, v3), entryOf(k4, v4));
  }

  /**
   * Returns an immutable sorted map containing the given entries, sorted by the natural ordering of
   * their keys.
   *

   * @throws IllegalArgumentException if duplicate keys or values are added
   */
  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) {
    return RegularImmutableBiMap.fromEntries(
        entryOf(k1, v1), entryOf(k2, v2), entryOf(k3, v3), entryOf(k4, v4));
  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *

   */
  public static <K, V> ImmutableMap<K, V> of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) {
    checkEntryNotNull(k1, v1);
    checkEntryNotNull(k2, v2);
    checkEntryNotNull(k3, v3);
    checkEntryNotNull(k4, v4);
    return RegularImmutableMap.create(4, new Object[] {k1, v1, k2, v2, k3, v3, k4, v4});
  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *

   */
  public static <K extends Comparable<? super K>, V> ImmutableSortedMap<K, V> of(
      K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) {
    return fromEntries(entryOf(k1, v1), entryOf(k2, v2), entryOf(k3, v3), entryOf(k4, v4));
  }

  /**
   * Returns an immutable sorted map containing the given entries, sorted by the natural ordering of
   * their keys.
   *

   *
   * @throws IllegalArgumentException if duplicate keys are provided
   */
  public static <K, V> ImmutableMap<K, V> of(K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) {
    return RegularImmutableMap.fromEntries(
        entryOf(k1, v1), entryOf(k2, v2), entryOf(k3, v3), entryOf(k4, v4));
  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *

@IgnoreJRERequirement // We opt into library desugaring for our tests.
public class MapReplaceAllTester<K, V> extends AbstractMapTester<K, V> {
  private SampleElements<K> keys() {
    return new SampleElements<>(k0(), k1(), k2(), k3(), k4());
  }

  private SampleElements<V> values() {
    return new SampleElements<>(v0(), v1(), v2(), v3(), v4());
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testReplaceAllRotate() {
    getMap()

  public static <K, V> ImmutableListMultimap<K, V> of(
      K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) {
    ImmutableListMultimap.Builder<K, V> builder = ImmutableListMultimap.builder();
    builder.put(k1, v1);
    builder.put(k2, v2);
    builder.put(k3, v3);
    builder.put(k4, v4);
    return builder.build();
  }

  /** Returns an immutable multimap containing the given entries, in order. */

   */
  public static <K, V> ImmutableSetMultimap<K, V> of(
      K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) {
    ImmutableSetMultimap.Builder<K, V> builder = ImmutableSetMultimap.builder();
    builder.put(k1, v1);
    builder.put(k2, v2);
    builder.put(k3, v3);
    builder.put(k4, v4);
    return builder.build();
  }

  /**

   */
  public static <K, V> ImmutableSetMultimap<K, V> of(
      K k1, V v1, K k2, V v2, K k3, V v3, K k4, V v4) {
    ImmutableSetMultimap.Builder<K, V> builder = ImmutableSetMultimap.builder();
    builder.put(k1, v1);
    builder.put(k2, v2);
    builder.put(k3, v3);
    builder.put(k4, v4);
    return builder.build();
  }

  /**