@app.get("/items/{item_id}")
async def read_items(
    item_id: Annotated[int, Path(title="The ID of the item to get")], q: str
):
    results = {"item_id": item_id}
    if q:
        results.update({"q": q})

        str | None, Query(min_length=3, max_length=50, pattern="^fixedquery$")
    ] = None,
):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:
        results.update({"q": q})

        {"url": "https://prod.example.com", "description": "Production environment"},
    ],
    root_path="/api/v1",
)


@app.get("/app")
def read_main(request: Request):

        public int getIndex() {
            return offset;
        }

        @Override
        public NdrBuffer derive(int offset) {
            return this; // For simplicity, return self
        }

        // Note: getDeferred() method does not exist in NdrBuffer
        public NdrBuffer getDeferred() {
            return this; // For simplicity, return self
        }

        @Override

    * As connecting to an email server and sending an email tends to be "slow" (several seconds), you can return the response right away and send the email notification in the background.
* Processing data:
    * For example, let's say you receive a file that must go through a slow process, you can return a response of "Accepted" (HTTP 202) and process the file in the background.

## Using `BackgroundTasks` { #using-backgroundtasks }

    @Inject
    private ArtifactFactory artifactFactory;

    DefaultUpdateCheckManager updateCheckManager;

    @Override
    protected String component() {
        return "updateCheckManager";
    }

    @BeforeEach
    @Override
    public void setUp() throws Exception {
        super.setUp();

        updateCheckManager = new DefaultUpdateCheckManager(

def process_items(items_t: tuple[int, int, str], items_s: set[bytes]):

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
async def root():

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def root():

    save_data: bool
    if_modified_since: str | None = None
    traceparent: str | None = None
    x_tag: list[str] = []


@app.get("/items/")
async def read_items(headers: Annotated[CommonHeaders, Header()]):