human readers of the translation. These additional abbr elements would not make sense in the English text, but they do make sense in the translation. So keep them in the translation, even though they are not part of the English text. This rule only applies to abbr elements.

5) Apply above rules also when there is an existing translation! Make sure that all title attributes in abbr elements get properly translated or updated, using the schemes given above. However, leave the ADDITIONAL abbr's...

#### Forbid Extra Query (Cookie, Header) Parameters

Use Pydantic models to restrict extra values for `Query` parameters (also applies to `Header` and `Cookie` parameters).

To achieve it, use Pydantic's `model_config = {"extra": "forbid"}`:

```python
from typing import Annotated, Literal

from fastapi import FastAPI, Query