return with_info_plain_validator_function(cls._validate)


class BaseModelWithConfig(BaseModel):
    model_config = {"extra": "allow"}


class Contact(BaseModelWithConfig):
    name: Optional[str] = None
    url: Optional[AnyUrl] = None
    email: Optional[EmailStr] = None


class License(BaseModelWithConfig):
    name: str
    identifier: Optional[str] = None
    url: Optional[AnyUrl] = None