import type { ChainIdentifier, RsbuildPlugin, RspackChain } from '@rsbuild/core';
import CssMinimizerWebpackPlugin from 'css-minimizer-webpack-plugin';
import type CssMinimizerPlugin from 'css-minimizer-webpack-plugin';
import { type ConfigChain } from 'reduce-configs';
export type CssMinimizerPluginOptions = CssMinimizerPlugin.BasePluginOptions & CssMinimizerPlugin.DefinedDefaultMinimizerAndOptions<CssMinimizerPlugin.CssNanoOptionsExtended>;
export type PluginCssMinimizerOptions = {
    /**
     * Used to customize the options of css-minimizer-webpack-plugin.
     * @see https://github.com/webpack-contrib/css-minimizer-webpack-plugin
     */
    pluginOptions?: ConfigChain<CssMinimizerPluginOptions>;
};
export declare function applyCSSMinimizer(chain: RspackChain, CHAIN_ID: ChainIdentifier, options?: PluginCssMinimizerOptions): void;
export declare const PLUGIN_CSS_MINIMIZER_NAME = "rsbuild:css-minimizer";
export declare const pluginCssMinimizer: (options?: PluginCssMinimizerOptions) => RsbuildPlugin;
export { CssMinimizerWebpackPlugin };