},
                            "description": "Successful Response",
                        },
                    },
                    "summary": "Get Items",
                    "tags": [
                        "items",
                    ],
                },
                "post": {
                    "operationId": "create_item",
                    "requestBody": {

## Аннотация типа и `Depends` { #type-annotation-vs-depends }

Обратите внимание, что в приведенном выше коде мы два раза пишем `CommonQueryParams`:

//// tab | Python 3.9+

```Python
commons: Annotated[CommonQueryParams, Depends(CommonQueryParams)]
```

////

//// tab | Python 3.9+ non-Annotated

/// tip | Подсказка

Рекомендуется использовать версию с `Annotated`, если возможно.

///

```Python

    price: float
    tax: float | None = None
    tags: set[str] = set()


@app.post("/items/", response_model=Item, tags=["items"])
async def create_item(item: Item):
    return item


@app.get("/items/", tags=["items"])
async def read_items():
    return [{"name": "Foo", "price": 42}]


@app.get("/users/", tags=["users"])
async def read_users():

    assert response.json() == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {
            "/items/": {
                "get": {
                    "tags": ["items"],
                    "summary": "Get Items",
                    "operationId": "get_items_items__get",
                    "responses": {
                        "200": {

		}
	}
	return err
}

// TestTags tests if the object tags satisfy the Filter tags requirement,
// it returns true if there is no tags in the underlying Filter.
func (f Filter) TestTags(userTags string) bool {
	if f.cachedTags == nil {
		cache := make(map[string]string)
		for _, t := range append(f.And.Tags, f.Tag) {
			if !t.IsEmpty() {
				cache[t.Key] = t.Value
			}
		}

	to <code>T</code>.
	</li>
	<li>
	ignoring struct tags (see below),
	<code>x</code>'s type and <code>T</code> are not
	<a href="#Type_parameter_declarations">type parameters</a> but have
	<a href="#Type_identity">identical</a> <a href="#Underlying_types">underlying types</a>.
	</li>
	<li>
	ignoring struct tags (see below),
	<code>x</code>'s type and <code>T</code> are pointer types

## Anotación de tipos vs `Depends` { #type-annotation-vs-depends }

Nota cómo escribimos `CommonQueryParams` dos veces en el código anterior:

//// tab | Python 3.9+

```Python
commons: Annotated[CommonQueryParams, Depends(CommonQueryParams)]
```

////

//// tab | Python 3.9+ sin `Annotated`

/// tip | Consejo

Prefiere usar la versión `Annotated` si es posible.

///

```Python

    return f"{route.tags[0]}-{route.name}"


app = FastAPI(generate_unique_id_function=custom_generate_unique_id)


class Item(BaseModel):
    name: str
    price: float


class ResponseMessage(BaseModel):
    message: str


class User(BaseModel):
    username: str
    email: str


@app.post("/items/", response_model=ResponseMessage, tags=["items"])
async def create_item(item: Item):

        try {
            final Blob blob = storage.get(BlobId.of(bucket, objectName));
            if (blob != null) {
                // GCS uses metadata instead of tags
                blob.toBuilder().setMetadata(tags).build().update();
            } else {
                throw new StorageException("Object not found: " + objectName);
            }

   *
   * The tags on a call are seeded from the [request tags][Request.tag]. This set will grow if new
   * tags are computed.
   */
  fun <T : Any> tag(type: KClass<T>): T?

  /**
   * Returns the tag attached with [type] as a key, or null if no tag is attached with that key.
   *
   * The tags on a call are seeded from the [request tags][Request.tag]. This set will grow if new