Function register

Returns Promise<
    {
        loggedin: boolean;
        message: string;
        user?: User & UserData & {
            abilities?: string[];
            email?: string;
            group?: Group & GroupData & {
                abilities?: string[];
                email?: string;
                phone?: string;
                user?: | (
                    User & UserData & { abilities?: string[] | undefined; email?: string | undefined; phone?: string | undefined; group?: (Group & GroupData & { abilities?: string[] | undefined; email?: string | undefined; phone?: string | undefined; user?: (User & ... 1 more ... & ...) | ... 1 more ... | undefined; }) | undefined; gro...
                )
                | null;
            };
            groups?: (
                Group & GroupData & {
                    abilities?: (...)[];
                    email?: string;
                    phone?: string;
                    user?:
                        | (
                            User & UserData & { abilities?: string[] | undefined; email?: string | undefined; phone?: string | undefined; group?: (Group & GroupData & { abilities?: string[] | undefined; email?: string | undefined; phone?: string | undefined; user?: (User & ... 1 more ... & ...) | ... 1 more ... | undefined; }) | undefined; gro...
                        )
                        | null;
                }
            )[];
            inheritAbilities?: boolean;
            newEmailAddress?: string;
            phone?: string;
        };
    },
>