code: function UMLCombinedFragmentView() {
          UMLCustomFrameView.apply(this, arguments);
  
          /** @member {UMLInteractionOperandCompartmentView} */
          this.operandCompartment = new UMLInteractionOperandCompartmentView();
          this.operandCompartment.parentStyle = true;
          this.addSubView(this.operandCompartment);
      }
docs: UMLCombinedFragmentView
  @constructor
  @extends UMLCustomFrameView