value = "${abc.xyz}";
        assertEquals(value, ResourceUtil.resolve(value));

        System.setProperty("abc.xyz", "789");

        value = "${abc.xyz}";
        assertEquals("789", ResourceUtil.resolve(value));

        value = "${abc}${abc.xyz}";
        assertEquals("123789", ResourceUtil.resolve(value));

        value = "xxx${abc.xyz}zzz";

        c.cookies.set("fatebook_tracker", "456")
        c.cookies.set("googall_tracker", "789")
        response = c.get("/items/")
    assert response.status_code == 200
    assert response.json() == {
        "session_id": "123",
        "fatebook_tracker": "456",
        "googall_tracker": "789",
    }


def test_cookie_param_model_defaults(client: TestClient):
    with client as c:

        c.cookies.set("fatebook_tracker", "456")
        c.cookies.set("googall_tracker", "789")
        response = c.get("/items/")
    assert response.status_code == 200
    assert response.json() == {
        "session_id": "123",
        "fatebook_tracker": "456",
        "googall_tracker": "789",
    }


def test_cookie_param_model_defaults(client: TestClient):
    with client as c:

                .weakKeys()
                .softValues()
                .expireAfterAccess(123, SECONDS)
                .expireAfterWrite(456, MINUTES)
                .maximumWeight(789)
                .weigher(weigher)
                .concurrencyLevel(12)
                .removalListener(listener)
                .ticker(ticker)
                .build(loader);

                .weakKeys()
                .softValues()
                .expireAfterAccess(123, SECONDS)
                .expireAfterWrite(456, MINUTES)
                .maximumWeight(789)
                .weigher(weigher)
                .concurrencyLevel(12)
                .removalListener(listener)
                .ticker(ticker)
                .build(loader);

// with a possible trailing non-digit character (\D?).

// For example, values that can pass this regular expression are:
// - "123"
// - "abc456"
// -"%$#@789"
var regFullDataType = regexp.MustCompile(`\D*(\d+)\D?`)

// TODO:? Create const vars for raw sql queries ?

var _ gorm.Migrator = (*Migrator)(nil)

// Migrator m struct
type Migrator struct {
	Config
}

* Add docs for correctly [using FastAPI with Peewee ORM](https://fastapi.tiangolo.com/advanced/sql-databases-peewee/). Including how to overwrite parts of Peewee to correctly handle async threads. PR [#789](https://github.com/tiangolo/fastapi/pull/789).

## 0.45.0

* Add support for OpenAPI Callbacks:
    * New docs: [OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).