MotorRegister: obj
%visible Stringlib,Containers.Set
VehicleRegister:
register: obj Set
Registration:
id: ref String
date: ref String
Vehicle:
weight: var integer
chassisNo: ref String
licenseNo: ref String
owner: ref Person
payLicensFee:<
changeOwner:
VehicleRegistration: Registration
Person:
name: ref String