http://f:\s21\s/\sb\s?\sd\s#\se\s
  s:http h:example.org p:/foo/bar
\s\s\t  s:http h:example.org p:/foo/bar
:foo.com/  s:http h:example.org p:/foo/:foo.com/
:foo.com\\  s:http h:example.org p:/foo/:foo.com/
:  s:http h:example.org p:/foo/:
:a  s:http h:example.org p:/foo/:a
:/  s:http h:example.org p:/foo/:/
:\\  s:http h:example.org p:/foo/:/
:#  s:http h:example.org p:/foo/: f:#
\#  s:http h:example.org p:/foo/bar f:#
\#/  s:http h:example.org p:/foo/bar f:#/

    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() {

      @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(
        ImmutableListMultimap.of('f', "foo", 'o', "foo", 'o', "foo"),
        ImmutableListMultimap.of("foo", 'f', "foo", 'o', "foo", 'o').inverse());
  }

  public void testNotDistinctEntrySpliterator() {
    ImmutableListMultimap<String, String> multimap =
        ImmutableListMultimap.of("foo", "bar", "foo", "bar");

 * import static java.util.Comparator.naturalOrder;
 *
 * ...
 *   private static final Comparator<Foo> COMPARATOR =
 *       comparing((Foo foo) -> foo.aString)
 *           .thenComparing(foo -> foo.anInt)
 *           .thenComparing(foo -> foo.anEnum, nullsLast(naturalOrder()));
 *
 *   @Override
 *   public int compareTo(Foo that) {
 *     return COMPARATOR.compare(this, that);
 *   }
 * }
 *

    Set<Feature<?>> features = newHashSet(FOO);
    assertThat(addImpliedFeatures(features)).isSameInstanceAs(features);
  }

  public void testAddImpliedFeatures_addsImpliedFeatures() {
    assertThat(addImpliedFeatures(newHashSet(FOO))).containsExactly(FOO);

    assertThat(addImpliedFeatures(newHashSet(IMPLIES_IMPLIES_FOO)))
        .containsExactly(IMPLIES_IMPLIES_FOO, IMPLIES_FOO, FOO);

  public void testSimpleTypeToken() {
    Foo<String, Integer> foo = new Foo<String, Integer>() {};
    assertEquals(String.class, foo.getClassA());
    assertEquals(Integer.class, foo.getClassB());
    assertEquals(String[].class, foo.getArrayClassA());
    assertEquals(Integer[].class, foo.getArrayClassB());
  }

  public void testCompositeTypeToken() {
    Foo<String[], List<int[]>> foo = new Foo<String[], List<int[]>>() {};

  public void testSimpleTypeToken() {
    Foo<String, Integer> foo = new Foo<String, Integer>() {};
    assertEquals(String.class, foo.getClassA());
    assertEquals(Integer.class, foo.getClassB());
    assertEquals(String[].class, foo.getArrayClassA());
    assertEquals(Integer[].class, foo.getArrayClassB());
  }

  public void testCompositeTypeToken() {
    Foo<String[], List<int[]>> foo = new Foo<String[], List<int[]>>() {};

                    public String @Nullable [] foo() { return new String[] {"some", null}; }
                }
            """
        ) {
            assertHasErrors(
                "Field nonFinalField: Nullability breaking change.",
                "Field finalField: From non-nullable to nullable breaking change.",
                "Method com.example.Source.foo(): From non-null returning to null returning breaking change."

    multimap.put("foo", 3);
    multimap.put("foo", -1);
    multimap.put(null, null);
    multimap.put("bar", 1);
    multimap.put("foo", 2);
    multimap.put(null, 0);
    multimap.put("bar", 2);
    multimap.put("bar", null);
    multimap.put("foo", null);
    multimap.put("foo", 4);
    multimap.put(null, -1);
    multimap.put("bar", 3);