How to use the @angular-devkit/build-angular/src/angular-cli-files/models/webpack-configs.getStylesConfig function in @angular-devkit/build-angular

export function getAngularCliParts(cliWebpackConfigOptions: any) {
  // eslint-disable-next-line global-require, import/no-extraneous-dependencies
  const ngCliConfigFactory = require('@angular-devkit/build-angular/src/angular-cli-files/models/webpack-configs');

  try {
    return {
      cliCommonConfig: ngCliConfigFactory.getCommonConfig(cliWebpackConfigOptions),
      cliStyleConfig: ngCliConfigFactory.getStylesConfig(cliWebpackConfigOptions),
    };
  } catch (e) {
    return null;
  }
}

wco => [
      getCommonConfig(wco),
      getServerConfig(wco),
      getStylesConfig(wco),
      getStatsConfig(wco),
      getAotConfig(wco),
    ],
  );

export function getAngularCliParts(cliWebpackConfigOptions: any) {
  try {
    return {
      cliCommonConfig: getCommonConfig(cliWebpackConfigOptions),
      cliStyleConfig: getStylesConfig(cliWebpackConfigOptions),
    };
  } catch (e) {
    return null;
  }
}

wco => [
      getCommonConfig(wco),
      getServerConfig(wco),
      getStylesConfig(wco),
      getStatsConfig(wco),
      getCompilerConfig(wco),
    ],
  );