@Override
  public final BiMap<String, String> create(Object... entries) {
    @SuppressWarnings("unchecked")
    Entry<String, String>[] array = (Entry<String, String>[]) new Entry<?, ?>[entries.length];
    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

    @Override
    public List<Double> create(Object... elements) {
      Double[] array = new Double[elements.length];
      int i = 0;
      for (Object e : elements) {
        array[i++] = (Double) e;
      }
      return create(array);
    }

    /**
     * Creates a new collection containing the given elements; implement this method instead of
     * {@link #create(Object...)}.
     */

  public void testFromFluentFuture() {
    FluentFuture<String> f = FluentFuture.from(SettableFuture.<String>create());
    assertThat(FluentFuture.from(f)).isSameInstanceAs(f);
  }

  public void testFromFluentFuturePassingAsNonFluent() {
    ListenableFuture<String> f = FluentFuture.from(SettableFuture.<String>create());
    assertThat(FluentFuture.from(f)).isSameInstanceAs(f);
  }

    RowSortedTable<Integer, String, Character> original = TreeBasedTable.create();
    return Tables.unmodifiableRowSortedTable(original);
  }

  @Override
  protected Map<String, Map<Integer, Character>> makePopulatedMap() {
    RowSortedTable<Integer, String, Character> table = TreeBasedTable.create();
    table.put(1, "foo", 'a');
    table.put(1, "bar", 'b');
    table.put(3, "foo", 'c');

  Table<Integer, String, Character> makeTable() {
    Table<Integer, String, Character> original = HashBasedTable.create();
    return Tables.unmodifiableTable(original);
  }

  @Override
  protected Map<String, Map<Integer, Character>> makePopulatedMap() {
    Table<Integer, String, Character> table = HashBasedTable.create();
    table.put(1, "foo", 'a');
    table.put(1, "bar", 'b');
    table.put(3, "foo", 'c');

    }

    @Override
    public List<Long> create(Object... elements) {
      Long[] array = new Long[elements.length];
      int i = 0;
      for (Object e : elements) {
        array[i++] = (Long) e;
      }
      return create(array);
    }

    /**
     * Creates a new collection containing the given elements; implement this method instead of
     * {@link #create(Object...)}.
     */

  Table<Character, String, Integer> makeTable() {
    RowSortedTable<Character, String, Integer> table = TreeBasedTable.create();
    return Tables.unmodifiableRowSortedTable(table);
  }

  @Override
  protected Map<String, Integer> makePopulatedMap() {
    RowSortedTable<Character, String, Integer> table = TreeBasedTable.create();
    table.put('a', "one", 1);
    table.put('a', "two", 2);
    table.put('a', "three", 3);

  @Override
  Table<String, Character, Integer> makeTable() {
    Table<String, Character, Integer> table = HashBasedTable.create();
    return Tables.unmodifiableTable(table);
  }

  @Override
  protected Map<String, Integer> makePopulatedMap() {
    Table<String, Character, Integer> table = HashBasedTable.create();
    table.put("one", 'a', 1);
    table.put("two", 'a', 2);
    table.put("three", 'a', 3);

  Table<Character, String, Integer> makeTable() {
    Table<Character, String, Integer> table = HashBasedTable.create();
    return Tables.transformValues(table, TableCollectionTest.DIVIDE_BY_2);
  }

  @Override
  protected Map<String, Integer> makePopulatedMap() {
    Table<Character, String, Integer> table = HashBasedTable.create();
    table.put('a', "one", 2);
    table.put('a', "two", 4);
    table.put('a', "three", 6);

    SetMultimap<K, V> multimap1 =
        getSubjectGenerator()
            .create(
                Helpers.mapEntry(k0(), v0()),
                Helpers.mapEntry(k0(), v1()),
                Helpers.mapEntry(k0(), v4()));
    SetMultimap<K, V> multimap2 =
        getSubjectGenerator()
            .create(
                Helpers.mapEntry(k0(), v1()),
                Helpers.mapEntry(k0(), v0()),