SortedMap<Integer, String> right = ImmutableSortedMap.of(1, "a", 3, "f", 5, "g", 6, "z");
    SortedMap<Integer, String> right2 = ImmutableSortedMap.of(1, "a", 3, "h", 5, "g", 6, "z");
    SortedMapDifference<Integer, String> original = Maps.difference(left, right);
    SortedMapDifference<Integer, String> same = Maps.difference(left, right);

    SortedMap<Integer, String> right = ImmutableSortedMap.of(1, "a", 3, "f", 5, "g", 6, "z");
    SortedMap<Integer, String> right2 = ImmutableSortedMap.of(1, "a", 3, "h", 5, "g", 6, "z");
    SortedMapDifference<Integer, String> original = Maps.difference(left, right);
    SortedMapDifference<Integer, String> same = Maps.difference(left, right);

       * garbage collectable as soon as they are no longer referenced by any reader thread that may
       * be in the midst of traversing table right now.
       */

      int newCount = count;
      AtomicReferenceArray<E> newTable = newEntryArray(oldCapacity << 1);
      threshold = newTable.length() * 3 / 4;
      int newMask = newTable.length() - 1;

   *
   * <p>The multimap supports mapping removal, which removes the corresponding mapping from the map.
   * It does not support any operations which might add mappings, such as {@code put}, {@code
   * putAll} or {@code replaceValues}.
   *
   * <p>The returned multimap will be serializable if the specified map is serializable.
   *

      ListenableFuture<? extends V>... futures) {
    /*
     * Another way to express this signature would be to bound <V> by @NonNull and accept
     * LF<? extends @Nullable V>. That might be better: There's currently no difference between the
     * outputs users get when calling this with <Foo> and calling it with <@Nullable Foo>. The only