code: function UMLArtifactInstanceView() {
          UMLGeneralNodeView.apply(this, arguments);
          this.iconRatio = ARTIFACT_RATIO_PERCENT;
          this.containerChangeable = true;
          // mixin UMLArtifactViewMixin
          _.extend(UMLArtifactInstanceView.prototype, UMLArtifactViewMixin);
  
          this.fillColor = PreferenceManager.get("uml.artifactinstance.fillColor", "#ffffff") || PreferenceManager.get("view.fillColor", "#ffffff");
          this.stereotypeDisplay = PreferenceManager.get("uml.artifact.stereotypeDisplay", UML.SD_ICON);
      }
docs: UMLArtifactInstanceView
  @constructor
  @mixes UMLArtifactViewMixin
  @extends UMLGeneralNodeView