foreigner_class!(
/// ID of a user. Unique with in a segment. Must match the regex `^[a-zA-Z0-9_.$#|@/:;=+'-]+$`.
#[derive(Clone)]
class UserId {
    self_type UserId;
    private constructor = empty;
    static_method user_id::validate(s: &str) -> Result<UserId, String>;
    method user_id::id(&self) -> String; alias getId;
});

foreigner_class!(
/// Options for group creation.
class GroupCreateOpts {
    self_type GroupCreateOpts;
    constructor GroupCreateOpts::default() -> GroupCreateOpts;
    constructor group_create_opts::create(id: Option<&GroupId>, name: Option<&GroupName>, addAsAdmin: bool, addAsMember: bool, owner: Option<&UserId>, admins: Vec<UserId>, members: Vec<UserId>, needsRotation: bool) -> GroupCreateOpts;
});

    GroupCreateOptsWrapper(boost::optional<const GroupId &> id, boost::optional<const GroupName &> name, bool addAsAdmin, bool addAsMember, boost::optional<const UserId &> owner, RustForeignVecUserId admins, RustForeignVecUserId members, bool needsRotation) noexcept
    {
        struct CRustOption4232const3232c_void a0;
        if (!!id) {
            a0.val.data = static_cast<const GroupIdOpaque *>((*id));
            a0.is_some = 1;
        } else {
            a0.is_some = 0;
        }        struct CRustOption4232const3232c_void a1;
        if (!!name) {
            a1.val.data = static_cast<const GroupNameOpaque *>((*name));
            a1.is_some = 1;
        } else {
            a1.is_some = 0;
        }        struct CRustOption4232const3232c_void a4;
        if (!!owner) {
            a4.val.data = static_cast<const UserIdOpaque *>((*owner));
            a4.is_some = 1;
        } else {
            a4.is_some = 0;
        }
        this->self_ = GroupCreateOpts_create(std::move(a0), std::move(a1), addAsAdmin ? 1 : 0, addAsMember ? 1 : 0, std::move(a4), admins.release(), members.release(), needsRotation ? 1 : 0);
        if (this->self_ == nullptr) {
            std::abort();
        }
    }