final List<Entry<K, V>> entries;
    @Nullable Comparator<? super V> valueComparator;

    public Builder() {
      this.entries = Lists.newArrayList();
    }

    Builder(int initCapacity) {
      this.entries = Lists.newArrayListWithCapacity(initCapacity);
    }

    @CanIgnoreReturnValue
    public Builder<K, V> put(K key, V value) {
      entries.add(entryOf(key, value));
      return this;

                  protected Map<String, String> create(Entry<String, String>[] entries) {
                    Map<String, String> map = Maps.newHashMap();
                    putEntries(map, entries);
                    map.putAll(ENTRIES_TO_FILTER);
                    map = Maps.filterEntries(map, FILTER_ENTRIES_1);
                    return Maps.filterEntries(map, FILTER_ENTRIES_2);
                  }
                })

  public static class ImmutableBiMapGenerator extends TestStringBiMapGenerator {
    @Override
    protected BiMap<String, String> create(Entry<String, String>[] entries) {
      ImmutableBiMap.Builder<String, String> builder = ImmutableBiMap.builder();
      for (Entry<String, String> entry : entries) {
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }
  }

        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.buildOrThrow();
    }
  }

  public static class ImmutableMapCopyOfGenerator extends TestStringMapGenerator {
    @Override
    protected Map<String, String> create(Entry<String, String>[] entries) {
      Map<String, String> builder = Maps.newLinkedHashMap();
      for (Entry<String, String> entry : entries) {

      if (entries instanceof Collection) {
        ensureCapacity(size + ((Collection<?>) entries).size());
      }
      for (Entry<? extends K, ? extends V> entry : entries) {
        put(entry);
      }
      return this;
    }

    /**
     * Configures this {@code Builder} to order entries by value according to the specified
     * comparator.

  }

  private static <K extends Comparable<? super K>, V> ImmutableSortedMap<K, V> fromEntries(
      Entry<K, V>... entries) {
    return fromEntries(Ordering.natural(), false, entries, entries.length);
  }

  /**
   * Accepts a collection of possibly-null entries. If {@code sameComparator}, then it is assumed
   * that they do not need to be sorted or checked for dupes.
   */

  }

  // looking for of() with > 10 entries? Use the builder or ofEntries instead.

  /**
   * Returns an immutable map containing the given entries, in order.
   *
   * @throws IllegalArgumentException if duplicate keys or values are provided
   * @since 31.0
   */
  @SafeVarargs
  public static <K, V> ImmutableBiMap<K, V> ofEntries(Entry<? extends K, ? extends V>... entries) {

    return getEntryNullReplaces().getKey();
  }

  private Entry<K, V> getEntryNullReplaces() {
    Iterator<Entry<K, V>> entries = getSampleElements().iterator();
    for (int i = 0; i < getNullLocation(); i++) {
      entries.next();
    }
    return entries.next();
  }

  /** @return an array of the proper size with {@code null} as the value of the middle element. */

    public ImmutableRangeMap<K, V> build() {
      Collections.sort(entries, Range.<K>rangeLexOrdering().onKeys());
      ImmutableList.Builder<Range<K>> rangesBuilder = new ImmutableList.Builder<>(entries.size());
      ImmutableList.Builder<V> valuesBuilder = new ImmutableList.Builder<>(entries.size());
      for (int i = 0; i < entries.size(); i++) {
        Range<K> range = entries.get(i).getKey();
        if (i > 0) {

    @SuppressWarnings("unchecked")
    @Override
    public BiMap<V, K> create(Object... elements) {
      Entry<?, ?>[] entries = new Entry<?, ?>[elements.length];
      for (int i = 0; i < elements.length; i++) {
        entries[i] = reverse((Entry<K, V>) elements[i]);
      }
      return generator.create((Object[]) entries).inverse();
    }

    @SuppressWarnings("unchecked")
    @Override