// plugins configuration
            pluginConfigurationExpander.expandPluginConfiguration(resultModel, request, problems);
        }

        // effective model validation
        modelValidator.validateEffectiveModel(resultModel, request, problems);

        if (hasModelErrors(problems)) {
            throw problems.newModelBuildingException();
        }

        return result;
    }

    @Override

                            exec);
                }
            }
        }
    }

    @Override
    @SuppressWarnings("checkstyle:MethodLength")
    public void validateEffectiveModel(Model m, ModelBuildingRequest request, ModelProblemCollector problems) {
        validateStringNotEmpty("modelVersion", problems, Severity.ERROR, Version.BASE, m.getModelVersion(), m);