# the old field info metadata and only the rest of the attributes
                Field(**field_dict["attributes"]),
            )
            self._type_adapter: TypeAdapter[Any] = TypeAdapter(
                Annotated[annotated_args],  # ty: ignore[invalid-type-form]
                config=self.config,
            )

    def get_default(self) -> Any:
        if self.field_info.is_required():

                    )
                    # Use the fast path (dump_json) when no custom response
                    # class was set and a response field with a TypeAdapter
                    # exists. Serializes directly to JSON bytes via Pydantic's
                    # Rust core, skipping the intermediate Python dict +
                    # json.dumps() step.