import { RuleSetRule } from 'webpack'; import { Options, Rules } from './types'; export declare const minimumSupportedBrowsers: { chrome: string; edge: string; firefox: string; ios: string; opera: string; safari: string; samsung: string; }; export declare const unneededBabelPlugins: string[]; export declare function checkTypescript(rulesOptions: Rules, srcFolder: string): Promise; export declare function checkReact(rulesOptions: Rules, srcFolder: string): Promise; export declare function normalizeIncludePath(path: string): string; export declare function setupRules(options: Options): Promise>;