from dataclasses import dataclass


@dataclass
class Attachment:
    pass


@dataclass
class SpoilerAttachment(Attachment):
    spoiler: str


@dataclass
class LanguagesAttachment(Attachment):
    langs: list[str]


@dataclass
class SensitiveAttachment(Attachment):
    sensitive: bool


@dataclass
class RemoteUrlAttachment(Attachment):
    url: str


@dataclass
class QuoteAttachment(Attachment):
    quoted_id: str