sa = self.field_info.serialization_alias
        return sa or None

    @property
    def default(self) -> Any:
        return self.get_default()

    def __post_init__(self) -> None:
        with warnings.catch_warnings():
            # Pydantic >= 2.12.0 warns about field specific metadata that is unused
            # (e.g. `TypeAdapter(Annotated[int, Field(alias='b')])`). In some cases, we