}
          }
          attributeName.equals("max-age", ignoreCase = true) -> {
            try {
              deltaSeconds = parseMaxAge(attributeValue)
              persistent = true
            } catch (_: NumberFormatException) {
              // Ignore this attribute, it isn't recognizable as a max age.
            }
          }
          attributeName.equals("domain", ignoreCase = true) -> {

#### Базовый класс `HeroBase`

Давайте начнём с модели `HeroBase`, которая содержит поля, общие для всех моделей:

* `name`
* `age`

{* ../../docs_src/sql_databases/tutorial002_an_py310.py ln[7:9] hl[7:9] *}

#### Модель таблицы `Hero`

This will skip the normal events such as DNS, connecting to the network, and downloading the response body.

As recommended by the HTTP RFC the max age of a document is defaulted to 10% of the 
document's age at the time it was served based on "Last-Modified". Default expiration dates aren't used for URIs 
containing a query.

 - CallStart
 - **CacheHit**
 - CallEnd
 
### Cache Miss

#### `HeroBase` - la clase base

Comencemos con un modelo `HeroBase` que tiene todos los **campos que son compartidos** por todos los modelos:

* `name`
* `age`

{* ../../docs_src/sql_databases/tutorial002_an_py310.py ln[7:9] hl[7:9] *}

#### `Hero` - el *modelo de tabla*

	}

	if lc != "" {
		args["LocationConstraint"] = []string{lc}
	}

	cloneHeader := r.Header.Clone()
	if v := cloneHeader.Get("x-amz-signature-age"); v != "" {
		args["signatureAge"] = []string{v}
		cloneHeader.Del("x-amz-signature-age")
	}

	if userTags := cloneHeader.Get(xhttp.AmzObjectTagging); userTags != "" {
		tag, _ := tags.ParseObjectTags(userTags)
		if tag != nil {
			tagMap := tag.ToMap()

    /**
     * CORS header for specifying cache duration for preflight requests.
     */
    protected static final String ACCESS_CONTROL_MAX_AGE = "Access-Control-Max-Age";

    /**
     * Processes the CORS request by setting appropriate headers.
     *
     * @param origin the origin of the request
     * @param request the servlet request
     * @param response the servlet response

Поскольку редактор знает типы переменных, вы получаете не только дополнение, но и проверки ошибок:

<img src="/img/python-types/image04.png">

Теперь вы знаете, что вам нужно исправить, преобразовав `age` в строку с `str(age)`:

{* ../../docs_src/python_types/tutorial004.py hl[2] *}


## Объявление типов

Вы только что видели основное место для объявления подсказок типов. В качестве параметров функции.

// His pet also has one Toy (has one - polymorphic)
// NamedPet is a reference to a named `Pet` (has one)
type User struct {
	gorm.Model
	Name      string
	Age       uint
	Birthday  *time.Time
	Account   Account
	Pets      []*Pet
	NamedPet  *Pet
	Toys      []Toy   `gorm:"polymorphic:Owner"`
	Tools     []Tools `gorm:"polymorphicType:Type;polymorphicId:CustomID"`
	CompanyID *int

#### `HeroBase` - the base class { #herobase-the-base-class }

Let's start with a `HeroBase` model that has all the **fields that are shared** by all the models:

* `name`
* `age`

{* ../../docs_src/sql_databases/tutorial002_an_py310.py ln[7:9] hl[7:9] *}

#### `Hero` - the *table model* { #hero-the-table-model }

	type BasePost struct {
		Id    int64
		Title string
		URL   string
	}

	type Author struct {
		ID          string
		Name        string
		Email       string
		Age         int
		Content     Content
		ContentPtr  *Content
		Birthday    time.Time
		BirthdayPtr *time.Time
	}

	type HNPost struct {
		*BasePost
		Upvotes int32