}

    /**
     * Gets a role type by its ID.
     * @param id The ID of the role type.
     * @return An optional entity of the role type.
     */
    public OptionalEntity<RoleType> getRoleType(final String id) {
        return roleTypeBhv.selectByPK(id);
    }

    /**
     * Stores a role type.
     * @param roleType The role type to store.
     */
    public void store(final RoleType roleType) {