hunk.code_window:   getCommonConfig,
     getStatsConfig,
     getStylesConfig,
   } from '../angular-cli-files/models/webpack-configs';
   import { Schema as BrowserBuilderOptions } from '../browser/schema';
   import { Version } from '../utils/version';
   import { generateBrowserWebpackConfigFromContext } from '../utils/webpack-browser-config';
   import { Schema as ExtractI18nBuilderOptions } from './schema';
  
hunk.labels: keep keep keep add keep keep keep keep
hunk.after_edit: import { statsErrorsToString, statsWarningsToString } from '../angular-cli-files/utilities/stats';
  
hunk.file_path: packages/angular_devkit/build_angular/src/extract-i18n/index.ts
hunk.type: add
file: import {ng} from '../../utils/process';
  import {deleteFile} from '../../utils/fs';
  import {expectToFail} from '../../utils/utils';
  
  export default function() {
    return deleteFile('angular.json')
      .then(() => expectToFail(() => ng('generate', 'class', 'hello')));
  }
  