pub enum NonPrivateChat<
    ChannelMetadataPhoto = Option<ChatPhoto>,
    ChannelMetadataTitle = Option<String>,
    ChannelMetadataDescription = Option<String>,
    ChannelMetadataInviteLink = Option<String>,
    ChannelMetadataPinnedMessage = Option<Box<Message>>,
    ChannelUsername = Option<String>,
    GroupMetadataPhoto = Option<ChatPhoto>,
    GroupMetadataTitle = Option<String>,
    GroupMetadataDescription = Option<String>,
    GroupMetadataInviteLink = Option<String>,
    GroupMetadataPinnedMessage = Option<Box<Message>>,
    GroupPermissions = Option<ChatPermissions>,
    SupergroupMetadataPhoto = Option<ChatPhoto>,
    SupergroupMetadataTitle = Option<String>,
    SupergroupMetadataDescription = Option<String>,
    SupergroupMetadataInviteLink = Option<String>,
    SupergroupMetadataPinnedMessage = Option<Box<Message>>,
    SupergroupUsername = Option<String>,
    SupergroupStickerSetName = Option<String>,
    SupergroupCanSetStickerSet = Option<bool>,
    SupergroupPermissions = Option<ChatPermissions>,
    SupergroupSlowModeDelay = Option<i32>,
> {
    Channel(
        NonPrivateChatChannel<
            ChannelMetadataPhoto,
            ChannelMetadataTitle,
            ChannelMetadataDescription,
            ChannelMetadataInviteLink,
            ChannelMetadataPinnedMessage,
            ChannelUsername,
        >,
    ),
    Group(
        NonPrivateChatGroup<
            GroupMetadataPhoto,
            GroupMetadataTitle,
            GroupMetadataDescription,
            GroupMetadataInviteLink,
            GroupMetadataPinnedMessage,
            GroupPermissions,
        >,
    ),
    Supergroup(
        NonPrivateChatSuperGroup<
            SupergroupMetadataPhoto,
            SupergroupMetadataTitle,
            SupergroupMetadataDescription,
            SupergroupMetadataInviteLink,
            SupergroupMetadataPinnedMessage,
            SupergroupUsername,
            SupergroupStickerSetName,
            SupergroupCanSetStickerSet,
            SupergroupPermissions,
            SupergroupSlowModeDelay,
        >,
    ),
}