Comparator<Foo> natural = Ordering.natural();
    Comparator<Foo> reverse = Collections.reverseOrder(natural);
    Foo a = new Foo(1);
    Foo b = new Foo(1);
    assertThat(min(a, b, reverse)).isSameInstanceAs(a);
    assertThat(max(a, b, reverse)).isSameInstanceAs(a);
  }

  private static class Foo implements Comparable<Foo> {
    final Integer value;

    Foo(int value) {

            v1 = """
                public class Source {
                    public String foo() { return "bar"; }
                    public String[] baz() { return new String[] {"some"}; }
                }
            """,
            v2 = """
                public class Source {
                    @$nullUnmarkedAnnotationName public String foo() { return "bar"; }

    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertThat(table.cellSet().toString()).isEqualTo("[(bar,1)=b, (foo,1)=a, (foo,3)=c]");
  }

  public void testRowKeySetToString_ordered() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertThat(table.rowKeySet().toString()).isEqualTo("[bar, foo]");
  }

  public void testValuesToString_ordered() {

    multimap.put("foo", 1);
    multimap.put("foo", 3);
    assertTrue(multimap.get("foo") instanceof RandomAccess);
    assertTrue(multimap.get("bar") instanceof RandomAccess);
  }

  /** Confirm that removeAll() returns a List implementing RandomAccess. */
  public void testRemoveAllRandomAccess() {
    Multimap<String, Integer> multimap = create();
    multimap.put("foo", 1);
    multimap.put("foo", 3);

    assertFalse(control("foo", 1).equals(entry("foo", 2)));
    assertFalse(entry("foo", 1).equals(control("bar", 1)));
    assertFalse(entry("foo", 1).equals(new Object()));
    assertFalse(entry("foo", 1).equals(null));
  }

  public void testEqualsNull() {
    assertEquals(control(NE, 1), entry(NE, 1));
    assertFalse(control(NE, 1).equals(entry(NE, 2)));
    assertFalse(entry(NE, 1).equals(control("bar", 1)));

    assertThat(LOWER_HYPHEN.to(LOWER_HYPHEN, "foo")).isEqualTo("foo");
    assertThat(LOWER_HYPHEN.to(LOWER_HYPHEN, "foo-bar")).isEqualTo("foo-bar");
  }

  public void testLowerHyphenToLowerUnderscore() {
    assertThat(LOWER_HYPHEN.to(LOWER_UNDERSCORE, "foo")).isEqualTo("foo");
    assertThat(LOWER_HYPHEN.to(LOWER_UNDERSCORE, "foo-bar")).isEqualTo("foo_bar");
  }

  public void testLowerHyphenToLowerCamel() {

  }

  public void testContains() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertTrue(table.contains("foo", 1));
    assertTrue(table.contains("bar", 1));
    assertTrue(table.contains("foo", 3));
    assertFalse(table.contains("foo", 2));
    assertFalse(table.contains("bar", 3));
    assertFalse(table.contains("cat", 1));
    assertFalse(table.contains("foo", null));
    assertFalse(table.contains(null, 1));

    Comparator<Foo> natural = Ordering.natural();
    Comparator<Foo> reverse = Collections.reverseOrder(natural);
    Foo a = new Foo(1);
    Foo b = new Foo(1);
    assertThat(min(a, b, reverse)).isSameInstanceAs(a);
    assertThat(max(a, b, reverse)).isSameInstanceAs(a);
  }

  private static class Foo implements Comparable<Foo> {
    final Integer value;

    Foo(int value) {

      @Nullable Integer nullValue) {
    multimap.clear();
    multimap.put("foo", 1);
    multimap.put("foo", 2);
    multimap.put("foo", 3);
    multimap.put("bar", 5);
    multimap.put("bar", -1);
    multimap.put(nullKey, nullValue);
    multimap.put("foo", nullValue);
    multimap.put(nullKey, 5);
    multimap.put("foo", 2);

    if (permitsDuplicates) {
      assertEquals(9, multimap.size());

      assertEquals((Character) 'c', table.get("foo", 3));
    }
  }

  public void testRowClearAndPut() {
    if (supportsRemove()) {
      table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
      Map<Integer, C> row = table.row("foo");
      assertEquals(ImmutableMap.of(1, 'a', 3, 'c'), row);
      table.remove("foo", 3);