code: function UMLInteractionUseView() {
          NodeView.apply(this, arguments);
          this.zIndex = 1;
  
          /** @member {LabelView} */
          this.nameLabel = new LabelView();
          this.addSubView(this.nameLabel);
  
          /** @member {LabelView} */
          this.frameTypeLabel = new LabelView();
          this.frameTypeLabel.font.style = Graphics.FS_BOLD;
          this.addSubView(this.frameTypeLabel);
      }
docs: UMLInteractionUseView
  @constructor
  @extends NodeView