declare const _default: (extraOptions?: Object) => {
    nodeModulesTransform: {
        type: string;
    };
    dynamicImport: {
        loading: string;
    };
    publicPath: string;
    proxy: {
        [x: string]: {
            target: string;
            changeOrigin: boolean;
        };
    };
    define: any;
    chainWebpack(memo: any): any;
    analyze: {
        analyzerMode: string;
        analyzerPort: number;
        openAnalyzer: boolean;
        generateStatsFile: boolean;
        statsFilename: string;
        logLevel: string;
        defaultSizes: string;
    };
    extraBabelPlugins: (string | {
        libraryName: string;
        libraryDirectory: string;
        camel2DashComponentName: boolean;
    })[][];
} & Object;
export default _default;
