private ProjectBuildingRequest toRequest(ProjectBuilderConfiguration configuration) {
        DefaultProjectBuildingRequest request = new DefaultProjectBuildingRequest();

        request.setValidationLevel(ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0);
        request.setResolveDependencies(false);

        request.setLocalRepository(configuration.getLocalRepository());

    public ModelValidationResult validate(Model model) {
        ModelValidationResult result = new ModelValidationResult();

        ModelBuildingRequest request =
                new DefaultModelBuildingRequest().setValidationLevel(ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0);

        SimpleModelProblemCollector problems = new SimpleModelProblemCollector(result);

        modelValidator.validateEffectiveModel(model, request, problems);

                    configuration.setLocalRepository(repositoryRequest.getLocalRepository());
                    configuration.setRemoteRepositories(repositoryRequest.getRemoteRepositories());
                    configuration.setValidationLevel(ModelBuildingRequest.VALIDATION_LEVEL_MINIMAL);
                    configuration.setProcessPlugins(false);
                    configuration.setRepositoryMerging(ProjectBuildingRequest.RepositoryMerging.REQUEST_DOMINANT);