@Override
 public ValidationResult validate(EnunciateFreemarkerModel model) {
   ValidationResult result = super.validate(model);
   for (SchemaInfo schemaInfo : model.getNamespacesToSchemas().values()) {
     for (Registry registry : schemaInfo.getRegistries()) {
       Collection<LocalElementDeclaration> localElements = registry.getLocalElementDeclarations();
       for (LocalElementDeclaration localElement : localElements) {
         JsonElementWrapper elementWrapper = localElement.getAnnotation(JsonElementWrapper.class);
         if (elementWrapper != null) {
           String jsonName = elementWrapper.namespace() + elementWrapper.name();
           Declaration previous = this.jsonNameDeclarations.put(jsonName, localElement);
           if (previous != null) {
             result.addError(
                 localElement,
                 "JSON name conflict with " + String.valueOf(previous.getPosition()));
           }
         }
       }
     }
   }
   return result;
 }