///

## Ohne Pydantic

因为默认值是 `None`， FastAPI 会把 `q` 当作可选参数。

FastAPI 不使用 `Optional[str]` 中的 `Optional`， 但 `Optional` 可以让编辑器提供更好的支持，并检测错误。

///

## 不使用 Pydantic

///

## Sem o Pydantic

///

## Без Pydantic

    SQLModel.metadata.clear()
    # Clear the Models associated with the registry, to avoid warnings
    default_registry.dispose()


@pytest.fixture(
    name="client",
    params=[
        "tutorial002",
        pytest.param("tutorial002_py39", marks=needs_py39),
        pytest.param("tutorial002_py310", marks=needs_py310),
        "tutorial002_an",

	var cmdLines []string
	for _, ep := range globalEndpoints {
		cmdLines = append(cmdLines, ep.CmdLine)
	}
	scfg.CmdLines = cmdLines
	return scfg
}

func (s *bootstrapRESTServer) VerifyHandler(params *grid.MSS) (*ServerSystemConfig, *grid.RemoteErr) {
	return getServerSystemCfg(), nil
}

///

## Без Pydantic

		if !mountPointsEqual(mounts[2], mp) {
			t.Errorf("got unexpected mountInfo[2]: %#v", mounts[2])
		}
	}
	// Error cases where parsing fails with invalid Freq and Pass params.
	{
		errorCases := []string{
			"/dev/1 /path/to/mount type flags a 0\n",
			"/dev/2 /path/to/mount type flags 0 b\n",
		}
		for _, ec := range errorCases {
			_, rerr := parseMountFrom(strings.NewReader(ec))

	// MinIOCompressed is returned when object is compressed
	MinIOCompressed = "X-Minio-Compressed"

	// SUBNET related
	SubnetAPIKey = "x-subnet-api-key"
)

// Common http query params S3 API
const (
	VersionID = "versionId"

	PartNumber = "partNumber"

	UploadID = "uploadId"
)

// http headers sent to webhook targets
const (
	// Reports the version of MinIO server

	Vendor             = "vendor"

	// Vendor specific ENV only enabled if the Vendor matches == "vendor"
	KeyCloakRealm    = "keycloak_realm"
	KeyCloakAdminURL = "keycloak_admin_url"

	// Removed params
	JwksURL     = "jwks_url"
	ClaimPrefix = "claim_prefix"
)

// DefaultKVS - default config for OpenID config
var (
	DefaultKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: "",
		},