import { NextConfig } from 'next/dist/next-server/server/config';
import { Plugin } from 'webpack';
import { pluginOptions as PostCSSPluginOptions } from 'postcss-preset-env';
interface WithCssOptions {
    afterPlugins?: Plugin[];
    beforePlugins?: Plugin[];
    presetEnvOptions?: PostCSSPluginOptions;
}
interface DatoOptions {
    environment?: string;
    token?: string;
}
interface NextHashiCorpOptions {
    css?: WithCssOptions;
    dato?: DatoOptions;
    transpileModules?: string[];
}
export = withHashicorp;
declare function withHashicorp({ css, dato, transpileModules, }?: NextHashiCorpOptions): (nextConfig: Partial<NextConfig>) => NextConfig;