@property  # type: ignore
    def __class__(self):
        return uuid.UUID

    @property
    def __dict__(self):
        """Spoof a missing __dict__ by raising TypeError, this is how
        asyncpg.pgroto.pgproto.UUID behaves"""
        raise TypeError("vars() argument must have __dict__ attribute")


def test_pydanticv2():
    from pydantic import field_serializer

    app = FastAPI()

    @app.get("/fast_uuid")

    cls: Any, class_or_tuple: type[_T] | tuple[type[_T], ...] | None
) -> TypeGuard[type[_T]]:
    try:
        return isinstance(cls, type) and issubclass(cls, class_or_tuple)  # type: ignore[arg-type]
    except TypeError:  # pragma: no cover
        if isinstance(cls, WithArgsTypes):
            return False
        raise  # pragma: no cover


def _annotation_is_sequence(annotation: type[Any] | None) -> bool:

String.prototype.toLowerCase),g=D(String.prototype.toString),T=D(String.prototype.match),y=D(String.prototype.replace),E=D(String.prototype.indexOf),A=D(String.prototype.trim),_=D(Object.prototype.hasOwnProperty),b=D(RegExp.prototype.test),S=(N=TypeError,function(){for(var e=arguments.length,t=new Array(e),n=0;n<e;n++)t[n]=arguments[n];return s(N,t)});var N;function D(e){return function(t){t instanceof RegExp&&(t.lastIndex=0);for(var n=arguments.length,o=new Array(n>1?n-1:0),r=1;r<n;r++)o[r-1]=arguments[r];return...

### Fixes

* 🐛 Avoid accessing non-existing "$ref" key for Pydantic v2 compat remapping. PR [#14361](https://github.com/fastapi/fastapi/pull/14361) by [@svlandeg](https://github.com/svlandeg).
* 🐛 Fix `TypeError` when encoding a decimal with a `NaN` or `Infinity` value. PR [#12935](https://github.com/fastapi/fastapi/pull/12935) by [@kentwelcome](https://github.com/kentwelcome).

### Internal