CollectionSize.ONE,
    ALLOWS_NULL_VALUES,
    SUPPORTS_REMOVE,
    CollectionFeature.SUPPORTS_ITERATOR_REMOVE
  };

  private static final Feature<?>[] FOR_MAP_FEATURES_ANY = {
    CollectionSize.ANY,
    ALLOWS_NULL_VALUES,
    SUPPORTS_REMOVE,
    CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
    MultisetTestSuiteBuilder.NoRecurse.NO_ENTRY_SET, // Cannot create entries with count > 1

   * that traverses the elements in {@code a}, followed by the elements in {@code b}. The source
   * iterators are not polled until necessary.
   *
   * <p>The returned iterable's iterator supports {@code remove()} when the corresponding input
   * iterator supports it.
   *
   * <p><b>{@code Stream} equivalent:</b> {@link Stream#concat}.
   *
   * @since 20.0
   */
  public static <T extends @Nullable Object> FluentIterable<T> concat(

   * example, {@code [] < [0x01] < [0x01, 0x7F] < [0x01, 0x80] < [0x02]}. Values are treated as
   * unsigned.
   *
   * <p>The returned comparator is inconsistent with {@link Object#equals(Object)} (since arrays
   * support only identity equality), but it is consistent with {@link
   * java.util.Arrays#equals(byte[], byte[])}.
   *
   * @since 2.0
   */
  public static Comparator<byte[]> lexicographicalComparator() {

 * supplied column keys. The {@code remove} and {@code clear} methods are not supported by the table
 * or its views. The {@link #erase} and {@link #eraseAll} methods may be used instead.
 *
 * <p>The ordering of the row and column keys provided when the table is constructed determines the
 * iteration ordering across rows and columns in the table's views. None of the view iterators

   *
   * @param expectedSize the initial capacity of this {@code CompactHashSet}.
   */
  CompactHashSet(int expectedSize) {
    init(expectedSize);
  }

  /** Pseudoconstructor for serialization support. */
  void init(int expectedSize) {
    Preconditions.checkArgument(expectedSize >= 0, "Expected size must be >= 0");

    // Save expectedSize for use in allocArrays()

    }
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCount_zeroToThree_supported() {
    assertSetCount(e3(), 3);
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCount_oneToThree_supported() {
    assertSetCount(e0(), 3);
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  public void testSetCount_zeroToOne_unsupported() {

    }
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCount_zeroToThree_supported() {
    assertSetCount(e3(), 3);
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCount_oneToThree_supported() {
    assertSetCount(e0(), 3);
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  public void testSetCount_zeroToOne_unsupported() {

          .put(MapFeature.SUPPORTS_REMOVE, CollectionFeature.SUPPORTS_REMOVE)
          .put(MapFeature.SUPPORTS_PUT, CollectionFeature.SUPPORTS_ADD)
          .build();

  Set<Feature<?>> computeMultimapGetFeatures(Set<Feature<?>> multimapFeatures) {
    Set<Feature<?>> derivedFeatures = Helpers.copyToSet(multimapFeatures);
    for (Entry<Feature<?>, Feature<?>> entry : GET_FEATURE_MAP.entries()) {

 * but not by just the column key.
 *
 * <p>The views returned by {@link #column}, {@link #columnKeySet()}, and {@link #columnMap()} have
 * iterators that don't support {@code remove()}. Otherwise, all optional operations are supported.
 * Null row keys, columns keys, and values are not supported.
 *
 * <p>Lookups by row key are often faster than lookups by column key, because the data is stored in

 *
 * <ul>
 *   <li>{@code maximumSize} and {@code maximumWeight}
 *   <li>{@code softValues} and {@code weakValues}
 * </ul>
 *
 * <p>{@code CacheBuilderSpec} does not support configuring {@code CacheBuilder} methods with
 * non-value parameters. These must be configured in code.
 *
 * <p>A new {@code CacheBuilder} can be instantiated from a {@code CacheBuilderSpec} using {@link