public static boolean static_canBeARoot(SModel model, final IOperationContext operationContext) {
   return LanguageAspect.STRUCTURE.is(model) || SModelStereotype.isGeneratorModel(model);
 }
 public static boolean static_canBeARoot(SModel model, final IOperationContext operationContext) {
   return LanguageAspect.STRUCTURE.is(model);
 }