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diff --git a/guava/src/com/google/common/collect/ArrayListMultimap.java b/guava/src/com/google/common/collect/ArrayListMultimap.java
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+/*
+ * Copyright (C) 2007 The Guava Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.common.collect;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.annotations.GwtCompatible;
+import com.google.common.annotations.GwtIncompatible;
+import com.google.common.annotations.VisibleForTesting;
+
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Implementation of {@code Multimap} that uses an {@code ArrayList} to store
+ * the values for a given key. A {@link HashMap} associates each key with an
+ * {@link ArrayList} of values.
+ *
+ * <p>When iterating through the collections supplied by this class, the
+ * ordering of values for a given key agrees with the order in which the values
+ * were added.
+ *
+ * <p>This multimap allows duplicate key-value pairs. After adding a new
+ * key-value pair equal to an existing key-value pair, the {@code
+ * ArrayListMultimap} will contain entries for both the new value and the old
+ * value.
+ *
+ * <p>Keys and values may be null. All optional multimap methods are supported,
+ * and all returned views are modifiable.
+ *
+ * <p>The lists returned by {@link #get}, {@link #removeAll}, and {@link
+ * #replaceValues} all implement {@link java.util.RandomAccess}.
+ *
+ * <p>This class is not threadsafe when any concurrent operations update the
+ * multimap. Concurrent read operations will work correctly. To allow concurrent
+ * update operations, wrap your multimap with a call to {@link
+ * Multimaps#synchronizedListMultimap}.
+ * 
+ * <p>See the Guava User Guide article on <a href=
+ * "http://code.google.com/p/guava-libraries/wiki/NewCollectionTypesExplained#Multimap">
+ * {@code Multimap}</a>.
+ *
+ * @author Jared Levy
+ * @since 2.0 (imported from Google Collections Library)
+ */
+@GwtCompatible(serializable = true, emulated = true)
+public final class ArrayListMultimap<K, V> extends AbstractListMultimap<K, V> {
+  // Default from ArrayList
+  private static final int DEFAULT_VALUES_PER_KEY = 3;
+
+  @VisibleForTesting transient int expectedValuesPerKey;
+
+  /**
+   * Creates a new, empty {@code ArrayListMultimap} with the default initial
+   * capacities.
+   */
+  public static <K, V> ArrayListMultimap<K, V> create() {
+    return new ArrayListMultimap<K, V>();
+  }
+
+  /**
+   * Constructs an empty {@code ArrayListMultimap} with enough capacity to hold
+   * the specified numbers of keys and values without resizing.
+   *
+   * @param expectedKeys the expected number of distinct keys
+   * @param expectedValuesPerKey the expected average number of values per key
+   * @throws IllegalArgumentException if {@code expectedKeys} or {@code
+   *      expectedValuesPerKey} is negative
+   */
+  public static <K, V> ArrayListMultimap<K, V> create(
+      int expectedKeys, int expectedValuesPerKey) {
+    return new ArrayListMultimap<K, V>(expectedKeys, expectedValuesPerKey);
+  }
+
+  /**
+   * Constructs an {@code ArrayListMultimap} with the same mappings as the
+   * specified multimap.
+   *
+   * @param multimap the multimap whose contents are copied to this multimap
+   */
+  public static <K, V> ArrayListMultimap<K, V> create(
+      Multimap<? extends K, ? extends V> multimap) {
+    return new ArrayListMultimap<K, V>(multimap);
+  }
+
+  private ArrayListMultimap() {
+    super(new HashMap<K, Collection<V>>());
+    expectedValuesPerKey = DEFAULT_VALUES_PER_KEY;
+  }
+
+  private ArrayListMultimap(int expectedKeys, int expectedValuesPerKey) {
+    super(Maps.<K, Collection<V>>newHashMapWithExpectedSize(expectedKeys));
+    checkArgument(expectedValuesPerKey >= 0);
+    this.expectedValuesPerKey = expectedValuesPerKey;
+  }
+
+  private ArrayListMultimap(Multimap<? extends K, ? extends V> multimap) {
+    this(multimap.keySet().size(),
+        (multimap instanceof ArrayListMultimap) ?
+            ((ArrayListMultimap<?, ?>) multimap).expectedValuesPerKey :
+            DEFAULT_VALUES_PER_KEY);
+    putAll(multimap);
+  }
+
+  /**
+   * Creates a new, empty {@code ArrayList} to hold the collection of values for
+   * an arbitrary key.
+   */
+  @Override List<V> createCollection() {
+    return new ArrayList<V>(expectedValuesPerKey);
+  }
+
+  /**
+   * Reduces the memory used by this {@code ArrayListMultimap}, if feasible.
+   */
+  public void trimToSize() {
+    for (Collection<V> collection : backingMap().values()) {
+      ArrayList<V> arrayList = (ArrayList<V>) collection;
+      arrayList.trimToSize();
+    }
+  }
+
+  /**
+   * @serialData expectedValuesPerKey, number of distinct keys, and then for
+   *     each distinct key: the key, number of values for that key, and the
+   *     key's values
+   */
+  @GwtIncompatible("java.io.ObjectOutputStream")
+  private void writeObject(ObjectOutputStream stream) throws IOException {
+    stream.defaultWriteObject();
+    stream.writeInt(expectedValuesPerKey);
+    Serialization.writeMultimap(this, stream);
+  }
+
+  @GwtIncompatible("java.io.ObjectOutputStream")
+  private void readObject(ObjectInputStream stream)
+      throws IOException, ClassNotFoundException {
+    stream.defaultReadObject();
+    expectedValuesPerKey = stream.readInt();
+    int distinctKeys = Serialization.readCount(stream);
+    Map<K, Collection<V>> map = Maps.newHashMapWithExpectedSize(distinctKeys);
+    setMap(map);
+    Serialization.populateMultimap(this, stream, distinctKeys);
+  }
+
+  @GwtIncompatible("Not needed in emulated source.")
+  private static final long serialVersionUID = 0;
+}