Interface for qBeta module object

Origin: workspace

MVRsystem: obj
   %requires Containers,Containers.Set
   %visible Containers
   BooleanValue:
      out B: var Boolean
   LicenseNumber: Value
      in V: var integer
      print:
   Person:
      in name: ref String.String
      %association registrations,#Registration,"*",inRegistrations
      registrations: obj Set.Set(#Registration) -- # is needed!
      inRegistrations: BooleanValue
      print:
   MotorVehicle:
      in lcn: var LicenseNumber
      %association theRegistration,#Person,,isRegistration
      theRegistration: ref Registration
      isRegistration: BooleanValue
      print:
   Registration:
      %association MVR,MotorVehicleRegister,
      %association theVehicle,vehicle,
      %association owner,#Person,
      MVR: BooleanValue
      vehicle: BooleanValue
      owner: BooleanValue
      in theVehicle: ref MotorVehicle
      in theOwner: ref Person
      print:
   MotorVehicleRegister: obj
      %association #Registration,Registrations,"*",isValid
      registrations: obj Set.set(#Registration)
      isValid: BooleanValue
      register:
         in P: ref Person
         in V: ref MotorVehicle
         R: ref Registration
      checkAssertions:
         check:
            in id: ref String.string
            in cond: var Boolean
         in P: ref Person
         in V: ref MotorVehicle
         in R: ref Registration
      print:
   makeRegistrations:
      P: ref Person
      V: ref MotorVehicle
      R: ref Registration