protected void updateTraitDefinition(TypeDeclaration type, Class concrete, boolean asTrait) {
   ClassDefinitionFactory.populateDefinitionFromClass(
       type.getTypeClassDef(), type.getResource(), concrete, asTrait);
 }
  protected void createBean(
      AbstractClassTypeDeclarationDescr typeDescr,
      PackageRegistry pkgRegistry,
      ClassHierarchyManager hierarchyManager,
      List<TypeDefinition> unresolvedTypes,
      Map<String, AbstractClassTypeDeclarationDescr> unprocesseableDescrs) {

    // descriptor needs fields inherited from superclass
    if (typeDescr instanceof TypeDeclarationDescr) {
      hierarchyManager.inheritFields(
          pkgRegistry,
          typeDescr,
          hierarchyManager.getSortedDescriptors(),
          unresolvedTypes,
          unprocesseableDescrs);
    }

    TypeDeclaration type = typeDeclarationFactory.processTypeDeclaration(pkgRegistry, typeDescr);
    boolean success = !kbuilder.hasErrors();

    try {
      // the type declaration is generated in any case (to be used by subclasses, if any)
      // the actual class will be generated only if needed
      ClassDefinition def = null;
      if (success) {
        def =
            classDefinitionFactory.generateDeclaredBean(
                typeDescr, type, pkgRegistry, unresolvedTypes, unprocesseableDescrs);

        // now use the definition to compare redeclarations, if any
        // this has to be done after the classDef has been generated
        if (!type.isNovel()) {
          typeDeclarationFactory.checkRedeclaration(typeDescr, type, pkgRegistry);
        }
      }
      success = (def != null) && (!kbuilder.hasErrors());

      if (success) {
        updateTraitInformation(typeDescr, type, def, pkgRegistry);
      }
      success = !kbuilder.hasErrors();

      if (success) {
        declaredClassBuilder.generateBeanFromDefinition(typeDescr, type, pkgRegistry, def);
      }
      success = !kbuilder.hasErrors();

      if (success) {
        Class<?> clazz =
            pkgRegistry.getTypeResolver().resolveType(typeDescr.getType().getFullName());
        type.setTypeClass(clazz);
        type.setValid(true);
      } else {
        unprocesseableDescrs.put(typeDescr.getType().getFullName(), typeDescr);
        type.setValid(false);
      }

      typeDeclarationConfigurator.finalize(
          type, typeDescr, pkgRegistry, kbuilder.getPackageRegistry(), hierarchyManager);

    } catch (final ClassNotFoundException e) {
      unprocesseableDescrs.put(typeDescr.getType().getFullName(), typeDescr);
      kbuilder.addBuilderResult(
          new TypeDeclarationError(
              typeDescr,
              "Class '"
                  + type.getTypeClassName()
                  + "' not found for type declaration of '"
                  + type.getTypeName()
                  + "'"));
    }

    if (!success) {
      unresolvedTypes.add(new TypeDefinition(type, typeDescr));
    } else {
      registerGeneratedType(typeDescr);
    }
  }