Interface for qBeta module object

Origin: demo

localsEx: obj
   %include Containers
   xList: List.List
      dum: var integer
   Student:
      in name: ref String.string
   Course:
      %locals #xList
      attx: ref xList
      att: ref xList
      add:
         in Lx: ref xList
      attendees:
         out atn: ref List.List
   L: ref List.List
   L1: ref List.List
   PS: obj Course