import { type Targets } from 'lightningcss';
import { type Compiler } from 'webpack';
type Filter = string | RegExp;
type Implementation = typeof import('lightningcss');
interface MinifyPluginOpts {
    implementation?: Implementation;
    sourceMap?: boolean;
    test?: RegExp;
    include?: Filter | Filter[];
    exclude?: Filter | Filter[];
    targets?: Targets;
}
export declare class LightningCssMinifyPlugin {
    private readonly options;
    private readonly transform;
    constructor(opts?: MinifyPluginOpts);
    apply(compiler: Compiler): void;
    private transformAssets;
}
export { };