declare module 'webpack/lib/*'; declare module 'babel-loader'; declare module 'memory-fs/lib/join'; declare module '@remax/postcss-px2units'; declare module 'postcss-url'; declare module 'postcss-preset-env'; declare module '@babel/helper-module-imports'; declare module 'scheduler'; declare module 'sander'; declare module 'webpack-virtual-modules'; declare module 'copy-webpack-plugin'; declare module 'webpack-node-externals'; declare module 'babel-plugin-module-resolver'; declare module 'speed-measure-webpack-plugin'; declare namespace jest { interface Matchers { toMatchOutput: (output: string) => R; } }