declare module 'postcss-preset-env' {
    import {
        plugin, Plugin, ParserInput,
        Result, LazyResult, Root, ProcessOptions
    } from 'postcss'

    interface PluginOptions {
        stage?: number
        features?: any
        browsers?: string
        insertBefore?: any
        insertAfter?: any
        autoprefixer?: any
        preserve?: boolean
        importFrom?: string
        exportTo?: string
    }

    const PostcssPresetEnv: Plugin<PluginOptions>
    export default PostcssPresetEnv
}