FIELD com.google.common.collect.AbstractMapBasedMultimap.map
FIELD com.google.common.collect.AbstractMultimap.asMap com.google.common.collect.AbstractMapBasedMultimap.NavigableAsMap
FIELD com.google.common.collect.AbstractMultimap.values com.google.common.collect.LinkedListMultimap.get.$
FIELD com.google.common.collect.AbstractMultimap.values com.google.common.collect.Multimaps.MapMultimap.get.$

 * @author Louis Wasserman
 */
@GwtCompatible
@SuppressWarnings("WrongCommentType") // false positive
abstract class AbstractMapBasedMultimap<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractMultimap<K, V> implements Serializable {
  /*
   * Here's an outline of the overall design.
   *
   * The map variable contains the collection of values associated with each

 * @author Louis Wasserman
 */
@GwtCompatible
@SuppressWarnings("WrongCommentType") // false positive
abstract class AbstractMapBasedMultimap<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractMultimap<K, V> implements Serializable {
  /*
   * Here's an outline of the overall design.
   *
   * The map variable contains the collection of values associated with each

    return new MapMultimap<>(map);
  }

  /**
   * @see Multimaps#forMap
   */
  private static final class MapMultimap<K extends @Nullable Object, V extends @Nullable Object>
      extends AbstractMultimap<K, V> implements SetMultimap<K, V>, Serializable {
    final Map<K, V> map;

    MapMultimap(Map<K, V> map) {
      this.map = checkNotNull(map);
    }

    @Override
    public int size() {

    return new MapMultimap<>(map);
  }

  /**
   * @see Multimaps#forMap
   */
  private static final class MapMultimap<K extends @Nullable Object, V extends @Nullable Object>
      extends AbstractMultimap<K, V> implements SetMultimap<K, V>, Serializable {
    final Map<K, V> map;

    MapMultimap(Map<K, V> map) {
      this.map = checkNotNull(map);
    }

    @Override
    public int size() {