*       locks---to each of the acquired locks, an edge from the soon-to-be-acquired lock is either
 *       verified or created.
 *   <li>If a new edge needs to be created, the outgoing edges of the acquired locks are traversed
 *       to check for a cycle that reaches the lock to be acquired. If no cycle is detected, a new
 *       "safe" edge is created.
 *   <li>If a cycle is detected, an "unsafe" (cyclic) edge is created to represent a potential

      this.multimap = multimap;
    }

    Object readResolve() {
      return multimap.keys();
    }
  }

  /**
   * Returns an immutable collection of the values in this multimap. Its iterator traverses the
   * values for the first key, the values for the second key, and so on.
   */
  @Override
  public ImmutableCollection<V> values() {
    return (ImmutableCollection<V>) super.values();
  }

      this.multimap = multimap;
    }

    Object readResolve() {
      return multimap.keys();
    }
  }

  /**
   * Returns an immutable collection of the values in this multimap. Its iterator traverses the
   * values for the first key, the values for the second key, and so on.
   */
  @Override
  public ImmutableCollection<V> values() {
    return (ImmutableCollection<V>) super.values();
  }

  }

  @LazyInit @RetainedWith private transient @Nullable ImmutableSet<Entry<K, V>> entries;

  /**
   * Returns an immutable collection of all key-value pairs in the multimap. Its iterator traverses
   * the values for the first key, the values for the second key, and so on.
   */
  @Override
  public ImmutableSet<Entry<K, V>> entries() {
    ImmutableSet<Entry<K, V>> result = entries;

 * add(x)} operations <i>do not</i> create objects for the garbage collector to deal with, and for
 * every element added, the garbage collector will have to traverse {@code 1.5} references on
 * average, in the marking phase, not {@code 5.0} as in {@code java.util.HashSet}.
 *
 * <p>If there are no removals, then {@link #iterator iteration} order is the same as insertion

   * Returns an iterator over the elements in this queue in proper sequence. The returned {@code
   * Iterator} is a "weakly consistent" iterator that will never throw {@link
   * ConcurrentModificationException}, and guarantees to traverse elements as they existed upon
   * construction of the iterator, and may (but is not guaranteed to) reflect any modifications
   * subsequent to construction.
   *

      }
    } else {
      while (iterator.hasNext()) {
        if (element.equals(iterator.next())) {
          return true;
        }
      }
    }
    return false;
  }

  /**
   * Traverses an iterator and removes every element that belongs to the provided collection. The
   * iterator will be left exhausted: its {@code hasNext()} method will return {@code false}.
   *

      }
    } else {
      while (iterator.hasNext()) {
        if (element.equals(iterator.next())) {
          return true;
        }
      }
    }
    return false;
  }

  /**
   * Traverses an iterator and removes every element that belongs to the provided collection. The
   * iterator will be left exhausted: its {@code hasNext()} method will return {@code false}.
   *

  }

  @LazyInit @RetainedWith private transient @Nullable ImmutableSet<Entry<K, V>> entries;

  /**
   * Returns an immutable collection of all key-value pairs in the multimap. Its iterator traverses
   * the values for the first key, the values for the second key, and so on.
   */
  @Override
  public ImmutableSet<Entry<K, V>> entries() {
    ImmutableSet<Entry<K, V>> result = entries;

 * add(x)} operations <i>do not</i> create objects for the garbage collector to deal with, and for
 * every element added, the garbage collector will have to traverse {@code 1.5} references on
 * average, in the marking phase, not {@code 5.0} as in {@code java.util.HashSet}.
 *
 * <p>If there are no removals, then {@link #iterator iteration} order is the same as insertion