export declare function dbUserCtor(dbProvider: any): {
    api: {
        vivify(userInfo: {
            email: string;
            displayName: string;
        }): Promise<string | null>;
        byId(userId: string): Promise<{
            userId: string;
            displayName: string;
            email: string;
        } | null>;
    };
    dbProvider: any;
};
export declare const dbUser: {
    vivify(userInfo: {
        email: string;
        displayName: string;
    }): Promise<string | null>;
    byId(userId: string): Promise<{
        userId: string;
        displayName: string;
        email: string;
    } | null>;
};