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"; }

            .thenComparing(foo -> foo.anEnum, nullsLast(naturalOrder()));
    ImmutableList<Foo> instances =
        ImmutableList.of(
            new Foo("a", 1, TriState.TRUE),
            new Foo("a", 2, TriState.TRUE),
            new Foo("b", 1, TriState.FALSE),
            new Foo("b", 1, TriState.TRUE),
            new Foo("b", 1, null));
    for (Foo a : instances) {
      for (Foo b : instances) {

    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);

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

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

  public void testValuesToString_ordered() {

    assertThat(bodyAsString(body)).isEqualTo("foo")
  }

  @Test
  fun referer() {
    val request = fromArgs("-e", "foo", "http://example.com").createRequest()
    assertThat(request.method).isEqualTo("GET")
    assertThat(request.url.toString()).isEqualTo("http://example.com/")
    assertThat(request.header("Referer")).isEqualTo("foo")
    assertThat(request.body).isNull()
  }

  @Test

    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() {

class FooBaseModel(BaseModel):
    model_config = ConfigDict(extra="forbid")


class Foo(FooBaseModel):
    pass


app = FastAPI()


@app.post("/")
async def post(
    foo: Union[Foo, None] = None,
):
    return foo


client = TestClient(app)


def test_call_invalid():
    response = client.post("/", json={"foo": {"bar": "baz"}})
    assert response.status_code == 422


def test_call_valid():

client = TestClient(app)


def test_read_item():
    response = client.get("/items/foo", headers={"X-Token": "coneofsilence"})
    assert response.status_code == 200
    assert response.json() == {
        "id": "foo",
        "title": "Foo",
        "description": "There goes my hero",
    }


def test_read_item_bad_token():
    response = client.get("/items/foo", headers={"X-Token": "hailhydra"})
    assert response.status_code == 400

    assert jsonable_encoder(model, exclude_defaults=True) == {"foo": "foo"}
    assert jsonable_encoder(model, exclude_unset=True, exclude_defaults=True) == {
        "foo": "foo"
    }
    assert jsonable_encoder(model, include={"foo"}) == {"foo": "foo"}
    assert jsonable_encoder(model, exclude={"bla"}) == {"foo": "foo", "bar": "bar"}
    assert jsonable_encoder(model, include={}) == {}

            "item": {
                "name": "Foo",
                "price": 50.5,
                "description": "Some Foo",
                "tax": 0.1,
            },
        },
    )
    assert response.status_code == 200
    assert response.json() == {
        "item_id": 5,
        "item": {
            "name": "Foo",
            "price": 50.5,
            "description": "Some Foo",
            "tax": 0.1,
        },